301.

Saturn at solar conjunction Saturn 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, 22 Sep 1980 at 21:58 EDT (15,922 days ago) in Virgo

302.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 24 Sep 1980 at 08:07 EDT (15,920 days ago) in Pisces

303.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 24 Sep 1980 at 22:34 EDT (15,920 days ago) in Cetus

304.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Fri, 26 Sep 1980 at 01:28 EDT (15,918 days ago) in Virgo

305.

Daytime Sextantid meteor shower 1980 The Daytime Sextantid meteor shower reaches its peak. Fri, 26 Sep 1980 (15,918 days ago) in Sextans

306.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sun, 28 Sep 1980 at 17:30 EDT (15,916 days ago) in Taurus

307.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Africa, Europe, Central and Western Asia, Greenland, Russia, Corsica, Guernsey, Svalbard, the Portuguese Azores, Madeira, the Savage Islands, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, the Canary Islands, Shetland, Orkney and Northern Ireland. Sun, 28 Sep 1980 at 21:14 EDT (15,916 days ago) in Taurus

308.

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. Tue, 30 Sep 1980 at 23:18 EDT (15,914 days ago) in Gemini

309.

Close approach of Mars and Uranus Mars and Uranus pass within 56' of each other. Thu, 02 Oct 1980 at 09:58 EDT (15,912 days ago) in Libra

310.

Conjunction of Mars and Uranus Mars and Uranus share the same right ascension, at a separation of 58'. Thu, 02 Oct 1980 at 19:29 EDT (15,912 days ago) in Libra

311.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Europe, Northern Africa, Russia, Corsica, Guernsey, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, Shetland, Orkney and Northern Ireland. Sun, 05 Oct 1980 at 01:21 EDT (15,909 days ago) in Leo

312.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 46'. Sun, 05 Oct 1980 at 02:28 EDT (15,909 days ago) in Leo

313.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sun, 05 Oct 1980 at 02:55 EDT (15,909 days ago) in Leo

314.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Asia, Europe, Canada, Greenland, Russia, Svalbard, Shetland, Orkney and Northern Ireland. Sun, 05 Oct 1980 at 02:55 EDT (15,909 days ago) in Leo

315.

October Camelopardalid meteor shower 1980 The October Camelopardalid meteor shower reaches its peak. Sun, 05 Oct 1980 (15,909 days ago) in Draco

316.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Mon, 06 Oct 1980 (15,907 days ago) in Libra

317.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°07'. Tue, 07 Oct 1980 at 04:31 EDT (15,907 days ago) in Virgo

318.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 07 Oct 1980 at 06:22 EDT (15,907 days ago) in Cetus

319.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°29'. Tue, 07 Oct 1980 at 17:25 EDT (15,907 days ago) in Virgo

320.

Draconid meteor shower 1980 The Draconid meteor shower reaches its peak. Wed, 08 Oct 1980 (15,906 days ago) in Draco