The Sky over the Mornington Peninsula — September 2142
Highlights this month
- 5WedMercury is stationary — resumes direct (eastward) motion. (7:40pm)
- 12WedThe Moon passes Jupiter — 1° apart. (12:03am)
- 13ThuSaturn at opposition — closest and brightest of the year, up all night in Aquarius (mag 0.5). (1:33pm)
- 13ThuMercury at greatest morning elongation (18° from the Sun, mag −0.3) — best morning apparition. (3:33pm)
- 18TueVenus in superior conjunction with the Sun — lost in the glare. (9:23pm)
- 20ThuJupiter is stationary — begins retrograde (westward) motion. (4:10am)
- 23SunSpring equinox.
- 26WedThe Moon passes Mars — 4° apart. (5:22pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:15am |
| Mon 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Thu 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Sun 30 | 5:58am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonWed 5, 8:02pm
- Last QuarterThu 13, 10:26am
- New MoonThu 20, 1:13am
- First QuarterThu 27, 8:22am
Apogee 2 Sep (405,900 km) · Perigee 18 Sep (361,900 km) · Apogee 30 Sep (405,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −0.6 | 5:41am | 11:10am | 4:40pm | Hidden |
| Venus | Leo | −3.8 | 6:27am | 12:14pm | 6:03pm | Hidden |
| Mars | Oph | 0.0 | 10:26am | 5:57pm | 1:29am | Evening |
| Jupiter | Tau | −2.3 | 11:38pm | 4:41am | 9:39am | Morning |
| Saturn | Aqr | 0.5 | 5:48pm | 12:14am | 6:34am | All night |
| Uranus | Vir | 5.6 | 7:54am | 2:29pm | 9:04pm | Evening |
| Neptune | Oph | 7.9 | 10:30am | 5:44pm | 1:01am | Evening |
The solar system — September 2142
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.
Looking for an earlier month? Browse all past monthly guides →
Generated automatically from the MPAS sky engine on 16 September 2026.