The Sky over the Mornington Peninsula — January 2100
Highlights this month
- 4MonQuadrantids meteor shower peaks (up to 110/hr). A 42% Moon washes out fainter meteors for part of the night.
- 4MonThe Moon passes Jupiter — 4° apart. (1:46pm)
- 19TueThe Moon passes Mars — 3° apart. (6:03pm)
- 24SunMercury at greatest evening elongation (19° from the Sun, mag −0.6) — best evening apparition. (2:40am)
- 30SatMercury is stationary — begins retrograde (westward) motion. (3:59am)
- 31SunThe Moon passes Jupiter — 4° apart. (9:56pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:00am | 8:46pm | 14h 46m | 10:42pm | 4:04am |
| Sun 10 | 6:08am | 8:46pm | 14h 38m | 10:38pm | 4:15am |
| Wed 20 | 6:18am | 8:42pm | 14h 24m | 10:30pm | 4:30am |
| Sun 31 | 6:31am | 8:35pm | 14h 04m | 10:18pm | 4:47am |
Days shorten by about 43 minutes over the month.
The Moon
- Last QuarterMon 4, 12:06am
- New MoonSun 10, 11:57pm
- First QuarterMon 18, 11:40pm
- Full MoonTue 26, 1:55pm
Perigee 3 Jan (369,900 km) · Apogee 17 Jan (404,800 km) · Perigee 29 Jan (366,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Cap | −0.9 | 7:29am | 2:36pm | 9:43pm | Hidden |
| Venus | Aqr | −4.0 | 9:42am | 4:18pm | 10:53pm | Hidden |
| Mars | Ari | 0.0 | 2:37pm | 7:53pm | 1:11am | Evening |
| Jupiter | Vir | −1.8 | 12:42am | 7:07am | 1:33pm | Morning |
| Saturn | Vir | 0.6 | 12:57am | 7:23am | 1:50pm | Morning |
| Uranus | Psc | 5.9 | 1:06pm | 6:47pm | 12:33am | Evening |
| Neptune | Leo | 7.9 | 11:10pm | 4:57am | 10:40am | Morning |
Meteor showers
- Quadrantids — peaks 4 January, radiant in Boötes (up to 110/hr). Radiant stays below the horizon from Victoria — essentially a no-show this far south. A 42% Moon washes out fainter meteors for part of the night.
The solar system — January 2100
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 1 September 2026.