401.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 29 Sep 2023 at 05:57 EDT (262 days ago) in Pisces

402.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 01 Oct 2023 at 21:08 EDT (260 days ago) in Aries

403.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°23'. Sun, 01 Oct 2023 at 23:19 EDT (260 days ago) in Aries

404.

Asteroid 29 Amphitrite at opposition Asteroid 29 Amphitrite makes closest approach to the Earth. Mon, 02 Oct 2023 at 00:46 EDT (259 days ago) in Pisces

405.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Mon, 02 Oct 2023 (259 days ago) in Andromeda

406.

136472 Makemake at solar conjunction 136472 Makemake is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 02 Oct 2023 at 22:28 EDT (259 days ago) in Coma Berenices

407.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Tue, 03 Oct 2023 at 01:45 EDT (258 days ago) in Taurus

408.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Tue, 03 Oct 2023 (258 days ago) in Sculptor

409.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from French Southern Territories. Wed, 04 Oct 2023 at 19:08 EDT (257 days ago) in Taurus

410.

The Small Magellanic Cloud is well placed The Milky Way's dwarf companion, the Small Magellanic Cloud (SMC; mag 2.7), in Tucana culminates at around midnight local time. Thu, 05 Oct 2023 (256 days ago) in Tucana

411.

NGC 300 is well placed NGC 300 (mag 8.1), a spiral galaxy in Sculptor culminates at around midnight local time. Thu, 05 Oct 2023 (256 days ago) in Sculptor

412.

October Camelopardalid meteor shower 2023 The October Camelopardalid meteor shower reaches its peak. Fri, 06 Oct 2023 (255 days ago) in Draco

413.

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, 06 Oct 2023 at 09:48 EDT (255 days ago) in Gemini

414.

NGC 362 is well placed The globular cluster NGC 362 (mag 6.6) in Tucana culminates at around midnight local time. Sat, 07 Oct 2023 (254 days ago) in Tucana

415.

Draconid meteor shower 2023 The Draconid meteor shower reaches its peak. Mon, 09 Oct 2023 (252 days ago) in Draco

416.

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. Mon, 09 Oct 2023 at 23:41 EDT (252 days ago) in Leo

417.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 6°29'. Tue, 10 Oct 2023 at 05:45 EDT (251 days ago) in Leo

418.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 10 Oct 2023 at 11:41 EDT (251 days ago) in Leo

419.

Southern Taurid meteor shower 2023 The Southern Taurid meteor shower reaches its peak. Tue, 10 Oct 2023 (251 days ago) in Cetus

420.

δ-Aurigid meteor shower 2023 The δ-Aurigid meteor shower reaches its peak. Wed, 11 Oct 2023 (250 days ago) in Auriga