The Sky over the Mornington Peninsula — September 1997
Highlights this month
- 6SatThe Moon passes Venus — 3° apart. (12:25am)
- 9TueMercury is stationary — resumes direct (eastward) motion. (3:45pm)
- 14SunThe Moon passes Jupiter — 4° apart. (12:10pm)
- 17WedMercury at greatest morning elongation (18° from the Sun, mag −0.4) — best morning apparition. (7:12am)
- 18ThuThe Moon passes Saturn — 0.2° apart. (7:56pm)
- 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
- New MoonTue 2, 9:53am
- First QuarterWed 10, 11:38am
- Full Moon SupermoonWed 17, 4:55am
- Last QuarterTue 23, 11:32pm
Apogee 3 Sep (406,200 km) · Perigee 17 Sep (356,700 km) · Apogee 30 Sep (406,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −0.1 | 5:39am | 11:10am | 4:41pm | Hidden |
| Venus | Vir | −3.9 | 8:01am | 2:47pm | 9:35pm | Evening |
| Mars | Lib | 1.1 | 8:50am | 3:55pm | 11:00pm | Evening |
| Jupiter | Cap | −2.5 | 2:44pm | 9:45pm | 4:50am | Evening |
| Saturn | Psc | 0.2 | 8:08pm | 1:59am | 7:45am | Morning |
| Uranus | Cap | 5.7 | 2:05pm | 9:12pm | 4:24am | Evening |
| Neptune | Sgr | 7.8 | 1:29pm | 8:39pm | 3:53am | Evening |
The solar system — September 1997
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 16 August 2026.