The Sky over the Mornington Peninsula — September 1987
Highlights this month
- 1TueUranus is stationary — resumes direct (eastward) motion. (11:16pm)
- 11FriThe Moon passes Jupiter — 4° apart. (6:35am)
- 17ThuNeptune is stationary — resumes direct (eastward) motion. (12:39pm)
- 23WedSpring equinox.
- 25FriThe Moon passes Mercury — 0.3° apart. (2:23pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:43am | 5:57pm | 11h 14m | 7:25pm | 5:16am |
| Thu 10 | 6:30am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Sun 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Wed 30 | 5:58am | 6:23pm | 12h 24m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- First QuarterTue 1, 1:51pm
- Full MoonTue 8, 4:16am
- Last QuarterTue 15, 9:48am
- New MoonWed 23, 1:08pm
- First QuarterWed 30, 8:42pm
Perigee 6 Sep (361,100 km) · Apogee 18 Sep (405,400 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.2 | 7:09am | 1:28pm | 7:48pm | Hidden |
| Venus | Vir | −3.8 | 6:44am | 12:41pm | 6:37pm | Hidden |
| Mars | Leo | 1.8 | 6:11am | 11:52am | 5:32pm | Hidden |
| Jupiter | Psc | −2.6 | 9:00pm | 2:36am | 8:08am | Morning |
| Saturn | Oph | 0.4 | 10:27am | 5:41pm | 12:58am | Evening |
| Uranus | Oph | 5.7 | 10:51am | 6:13pm | 1:39am | Evening |
| Neptune | Sgr | 7.9 | 11:50am | 7:07pm | 2:29am | Evening |
The solar system — September 1987
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 20 August 2026.