The Sky over the Mornington Peninsula — September 1980
Highlights this month
- 1MonNeptune is stationary — resumes direct (eastward) motion. (8:06am)
- 5FriThe Moon passes Venus — 0.0° apart. (7:48pm)
- 13SatJupiter in superior conjunction with the Sun — lost in the glare. (8:06pm)
- 23TueSaturn in superior conjunction with the Sun — lost in the glare. (11:39am)
- 23TueSpring equinox.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Wed 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Sat 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Tue 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterTue 2, 4:06am
- New MoonTue 9, 8:04pm
- First QuarterWed 17, 11:57pm
- Full Moon SupermoonWed 24, 10:11pm
Apogee 12 Sep (406,100 km) · Perigee 25 Sep (357,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.5 | 7:01am | 1:14pm | 7:27pm | Hidden |
| Venus | Cnc | −4.1 | 4:16am | 9:23am | 2:30pm | Morning |
| Mars | Lib | 1.3 | 8:23am | 3:17pm | 10:11pm | Evening |
| Jupiter | Leo | −1.5 | 6:24am | 12:12pm | 6:00pm | Hidden |
| Saturn | Vir | 0.9 | 6:48am | 12:43pm | 6:38pm | Hidden |
| Uranus | Lib | 5.6 | 9:01am | 4:03pm | 11:05pm | Evening |
| Neptune | Oph | 7.9 | 10:44am | 5:59pm | 1:18am | Evening |
The solar system — September 1980
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
Open the full interactive orrery ↗ — fast-forward, pick any date, toggle the Moon and more.
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Generated automatically from the MPAS sky engine on 23 August 2026.