The Sky over the Mornington Peninsula — September 2009
Highlights this month
- 3ThuThe Moon passes Jupiter — 3° apart. (5:00am)
- 7MonMercury is stationary — begins retrograde (westward) motion. (5:50am)
- 14MonThe Moon passes Mars — 1° apart. (2:26am)
- 17ThuUranus at opposition — closest and brightest of the year, up all night in Pisces (mag 5.8). (7:43pm)
- 18FriSaturn in superior conjunction with the Sun — lost in the glare. (4:30am)
- 20SunMercury in inferior conjunction with the Sun — lost in the glare. (7:59pm)
- 23WedSpring equinox.
- 29TueMercury is stationary — resumes direct (eastward) motion. (4:24am)
- 30WedThe Moon passes Jupiter — 3° apart. (8:00am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Thu 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Sun 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Wed 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonSat 5, 2:08am
- Last QuarterSat 12, 12:21pm
- New MoonSat 19, 4:41am
- First QuarterSat 26, 2:53pm
Perigee 16 Sep (364,100 km) · Apogee 28 Sep (405,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 3.2 | 6:30am | 12:47pm | 7:03pm | Hidden |
| Venus | Leo | −3.7 | 5:11am | 10:27am | 3:43pm | Hidden |
| Mars | Gem | 0.9 | 2:55am | 7:38am | 12:22pm | Morning |
| Jupiter | Cap | −2.6 | 3:11pm | 10:06pm | 5:06am | Evening |
| Saturn | Vir | 1.0 | 6:37am | 12:27pm | 6:16pm | Hidden |
| Uranus | Psc | 5.8 | 6:12pm | 12:27am | 6:38am | All night |
| Neptune | Cap | 7.8 | 3:42pm | 10:29pm | 5:19am | Evening |
The solar system — September 2009
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 15 July 2026.