The Sky over the Mornington Peninsula — September 1971
Highlights this month
- 4SatMercury is stationary — resumes direct (eastward) motion. (8:29pm)
- 11SatMars is stationary — resumes direct (eastward) motion. (11:40am)
- 12SunMercury at greatest morning elongation (18° from the Sun, mag −0.4) — best morning apparition. (3:00pm)
- 19SunSaturn is stationary — begins retrograde (westward) motion. (6:24pm)
- 24FriSpring equinox.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 6:43am | 5:57pm | 11h 14m | 7:25pm | 5:16am |
| Fri 10 | 6:30am | 6:05pm | 11h 35m | 7:33pm | 5:02am |
| Mon 20 | 6:14am | 6:14pm | 11h 59m | 7:42pm | 4:46am |
| Thu 30 | 5:58am | 6:22pm | 12h 24m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonSun 5, 2:06pm
- Last QuarterSun 12, 4:21am
- New MoonMon 20, 12:47am
- First QuarterTue 28, 3:20am
Perigee 6 Sep (358,400 km) · Apogee 21 Sep (406,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −0.7 | 5:44am | 11:12am | 4:40pm | Hidden |
| Venus | Vir | −3.8 | 6:41am | 12:36pm | 6:31pm | Hidden |
| Mars | Cap | −2.1 | 2:32pm | 9:49pm | 5:11am | Evening |
| Jupiter | Lib | −1.7 | 9:32am | 4:39pm | 11:47pm | Evening |
| Saturn | Tau | −0.1 | 12:09am | 5:07am | 10:05am | Morning |
| Uranus | Vir | 5.6 | 7:17am | 1:33pm | 7:49pm | Hidden |
| Neptune | Lib | 7.9 | 9:37am | 4:41pm | 11:45pm | Evening |
The solar system — September 1971
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 24 August 2026.