601.

Messier 15 is well placed The globular cluster M15 (NGC 7078; mag 6.3) in Pegasus culminates at around midnight local time. Fri, 14 Aug 2026 (243 days away) in Pegasus

602.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 33'. Sat, 15 Aug 2026 at 05:13 EST (244 days away) in Cancer

603.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Sat, 15 Aug 2026 (244 days away) in Aquarius

604.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sun, 16 Aug 2026 at 02:56 EST (245 days away) in Virgo

605.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°04'. Sun, 16 Aug 2026 at 04:47 EST (245 days away) in Virgo

606.

κ-Cygnid meteor shower 2026 The κ-Cygnid meteor shower reaches its peak. Tue, 18 Aug 2026 (247 days away) in Draco

607.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 19 Aug 2026 at 22:46 EST (248 days away) in Libra

608.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from Antarctica, Argentina, Chile and Falkland Islands. Fri, 21 Aug 2026 at 00:52 EST (249 days away) in Scorpius

609.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 22 Aug 2026 at 04:20 EST (251 days away) in Ophiuchus

610.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Sub-Saharan Africa, Falkland Islands, South Georgia and the South Sandwich Islands, Antarctica and Bouvet Island. Sun, 23 Aug 2026 at 18:44 EST (252 days away) in Sagittarius

611.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Tue, 25 Aug 2026 at 16:21 EST (254 days away) in Capricornus

612.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Thu, 27 Aug 2026 at 13:11 EST (256 days away) in Leo

613.

Partial lunar eclipse There will be an eclipse of the Moon, visible from the Americas, Antarctica, Africa and Europe. Fri, 28 Aug 2026 at 00:14 EST (256 days away) in Aquarius

614.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 28 Aug 2026 at 00:18 EST (256 days away) in Aquarius

615.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Fri, 28 Aug 2026 at 10:22 EST (257 days away) in Aquarius

616.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 30 Aug 2026 at 22:32 EST (259 days away) in Pisces

617.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 7°02'. Mon, 31 Aug 2026 at 04:07 EST (260 days away) in Pisces

618.

Aurigid meteor shower 2026 The Aurigid meteor shower reaches its peak. Tue, 01 Sep 2026 (261 days away) in Auriga

619.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Thu, 03 Sep 2026 at 08:25 EST (263 days away) in Taurus

620.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Fri, 04 Sep 2026 at 03:51 EST (264 days away) in Taurus