Every notable sky event in 2026 — moon phases, eclipses, meteor showers, planet oppositions, solstices, and more. Set your location with GPS or city search to see a visibility badge on each eclipse event. Use the year arrows to browse past and future years.
💡 There are typically 4–7 eclipses (solar + lunar combined) each year, though not all are visible from any single location.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Earth is closest from the Sun this year at 147.10 million km.
The Moon passes within 4.1° of Jupiter — both visible together with the naked eye or binoculars.
ZHR ~110 meteors/hour. One of the strongest annual showers, active for only a few hours at peak.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Venus passes behind the Sun — unobservable for several weeks, then re-emerges in the evening sky.
Venus and Mars appear within 0.2° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mars rises at sunset and is visible all night — closest approach and peak brightness of the year.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 405 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Mars appear within 1.0° of each other — both visible in the same binocular field of view.
The Moon passes within 2.3° of Mars — both visible together with the naked eye or binoculars.
The Moon passes within 1.3° of Mercury — both visible together with the naked eye or binoculars.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 2.0° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes behind the Sun — unobservable for several weeks, then re-emerges in the evening sky.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.7° of Saturn — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Venus appear within 0.7° of each other — both visible in the same binocular field of view.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.5° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 405 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.0° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Annular solar eclipse — the path of shadow crosses parts of Earth. Set your location to check visibility.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.1° of Venus — both visible together with the naked eye or binoculars.
The Moon passes within 0.2° of Mercury — both visible together with the naked eye or binoculars.
Mercury reaches its widest angular separation from the Sun — best visibility after sunset (18.1°).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 4.6° of Saturn — both visible together with the naked eye or binoculars.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.8° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Venus appear within 4.5° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Total lunar eclipse — visible from the night side of Earth at peak. Set your location to check if Moon is above your horizon.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes directly between Earth and the Sun — unobservable for a few days, then transitions to the morning sky.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Venus and Saturn appear within 1.0° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 404 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Mars appear within 3.4° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.4° of Mercury — both visible together with the naked eye or binoculars.
The Moon passes within 2.5° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
The Moon passes within 4.2° of Saturn — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.7° of Venus — both visible together with the naked eye or binoculars.
Spring begins in the Northern Hemisphere; Autumn in the Southern. Day and night nearly equal worldwide.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Neptune rises at sunset and is visible all night — closest approach and peak brightness of the year.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Saturn rises at sunset and is visible all night — closest approach and peak brightness of the year.
Moon half-lit and waxing — visible from noon to around midnight.
Mars is closest from the Sun in its orbit — 1.381 AU. Slightly brighter and larger than average.
The Moon passes within 3.9° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury reaches its widest angular separation from the Sun — best visibility before sunrise (27.8°).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 405 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.4° of Mars — both visible together with the naked eye or binoculars.
The Moon passes within 4.5° of Saturn — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 4.2° of Venus — both visible together with the naked eye or binoculars.
Mars and Saturn appear within 1.2° of each other — both visible in the same binocular field of view.
Mercury and Saturn appear within 0.8° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Mars appear within 1.7° of each other — both visible in the same binocular field of view.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~18 meteors/hour. Debris from Comet Thatcher — occasional bright meteors with glowing trains.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.3° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~50 meteors/hour. Halley's Comet debris — swift meteors best seen from the Southern Hemisphere.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes behind the Sun — unobservable for several weeks, then re-emerges in the evening sky.
The Moon passes within 4.8° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
The Moon passes within 4.1° of Mercury — both visible together with the naked eye or binoculars.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.0° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.4° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Uranus rises at sunset and is visible all night — closest approach and peak brightness of the year.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Venus and Jupiter appear within 1.6° of each other — both visible in the same binocular field of view.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Mercury reaches its widest angular separation from the Sun — best visibility after sunset (24.5°).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 2.7° of Mercury — both visible together with the naked eye or binoculars.
The Moon passes within 2.5° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.4° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Longest day in the Northern Hemisphere and shortest in the Southern. Sun reaches its northernmost point.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Jupiter appear within 3.7° of each other — both visible in the same binocular field of view.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Earth is farthest from the Sun this year at 152.09 million km.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes directly between Earth and the Sun — unobservable for a few days, then transitions to the morning sky.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.0° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.7° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~20 meteors/hour. Slow-moving meteors at medium brightness — favours Southern Hemisphere observers.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter rises at sunset and is visible all night — closest approach and peak brightness of the year.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury reaches its widest angular separation from the Sun — best visibility before sunrise (19.5°).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 4.9° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 2.0° of Mercury — both visible together with the naked eye or binoculars.
The Moon passes within 1.1° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~100 meteors/hour. Most popular shower of the year — dozens of bright meteors per hour at peak.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Total solar eclipse — the path of shadow crosses parts of Earth. Set your location to check visibility.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury and Jupiter appear within 0.9° of each other — both visible in the same binocular field of view.
Venus reaches its widest angular separation from the Sun — best visibility after sunset (45.9°).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.5° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 405 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes behind the Sun — unobservable for several weeks, then re-emerges in the evening sky.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Partial lunar eclipse — visible from the night side of Earth at peak. Set your location to check if Moon is above your horizon.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 2.8° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.2° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.5° of Mercury — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 0.9° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Moon is farthest from Earth this orbit — 404 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Autumn begins in the Northern Hemisphere; Spring in the Southern. Day and night nearly equal worldwide.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.5° of Mars — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 0.1° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 3.6° of Venus — both visible together with the naked eye or binoculars.
Mercury reaches its widest angular separation from the Sun — best visibility after sunset (25.2°).
The Moon passes within 2.7° of Mercury — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 405 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~20 meteors/hour. More Halley's Comet debris — swift meteors with persistent glowing trains.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Venus passes directly between Earth and the Sun — unobservable for a few days, then transitions to the morning sky.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon fully illuminated — rises near sunset and sets near sunrise.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
The Moon passes within 2.2° of Mars — both visible together with the naked eye or binoculars.
The Moon passes within 1.6° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury passes directly between Earth and the Sun — unobservable for a few days, then transitions to the morning sky.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.4° of Venus — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mars and Jupiter appear within 1.2° of each other — both visible in the same binocular field of view.
ZHR ~15 meteors/hour. From Comet Tempel-Tuttle — occasional meteor storms every 33 years.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Mercury reaches its widest angular separation from the Sun — best visibility before sunrise (19.6°).
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Full Moon near perigee — up to 14% larger and 30% brighter than an average Full Moon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 1.9° of Jupiter — both visible together with the naked eye or binoculars.
The Moon passes within 3.2° of Mars — both visible together with the naked eye or binoculars.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon not illuminated — dark skies ideal for stargazing and deep-sky observing.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon is farthest from Earth this orbit — 406 thousand km. Full Moons near apogee appear slightly smaller (Micromoon).
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
ZHR ~150 meteors/hour. Best shower of the year — bright multicolored meteors, active day and night.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waxing — visible from noon to around midnight.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Shortest day in the Northern Hemisphere and longest in the Southern. Sun reaches its southernmost point.
ZHR ~10 meteors/hour. From Comet Tuttle — peaks near Winter Solstice, best from northern latitudes.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Full Moon near perigee — up to 14% larger and 30% brighter than an average Full Moon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Ganymede begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
The Moon passes within 2.0° of Jupiter — both visible together with the naked eye or binoculars.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Callisto begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Jupiter's moon Europa begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.
Moon half-lit and waning — visible from around midnight to noon.
Jupiter's moon Io begins crossing Jupiter's disk — visible as a tiny bright dot against the cloud bands. Binoculars or small telescope needed.