The Sky over the Mornington Peninsula — January 1975
Highlights this month
- 4SatQuadrantids meteor shower peaks (up to 110/hr). A 56% Moon washes out fainter meteors for part of the night.
- 6MonSaturn at opposition — closest and brightest of the year, up all night in Gemini (mag −0.6). (8:08pm)
- 24FriMercury at greatest evening elongation (19° from the Sun, mag −0.6) — best evening apparition. (7:34am)
- 26SunThe Moon passes Saturn — 3° apart. (12:46pm)
- 30ThuMercury is stationary — begins retrograde (westward) motion. (8:23am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 5:59am | 8:46pm | 14h 47m | 10:42pm | 4:04am |
| Thu 10 | 6:07am | 8:46pm | 14h 39m | 10:39pm | 4:14am |
| Sun 20 | 6:18am | 8:43pm | 14h 25m | 10:31pm | 4:29am |
| Thu 31 | 6:30am | 8:35pm | 14h 05m | 10:19pm | 4:47am |
Days shorten by about 42 minutes over the month.
The Moon
- Last QuarterSun 5, 6:03am
- New MoonSun 12, 9:25pm
- First QuarterTue 21, 2:18am
- Full Moon SupermoonTue 28, 2:10am
Apogee 16 Jan (405,900 km) · Perigee 28 Jan (357,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Cap | −0.9 | 7:27am | 2:36pm | 9:43pm | Hidden |
| Venus | Cap | −3.7 | 7:34am | 2:40pm | 9:46pm | Hidden |
| Mars | Oph | 1.5 | 3:59am | 11:23am | 6:47pm | Morning |
| Jupiter | Aqr | −1.9 | 10:30am | 4:53pm | 11:16pm | Evening |
| Saturn | Gem | −0.5 | 7:59pm | 12:50am | 5:37am | All night |
| Uranus | Vir | 5.5 | 1:06am | 7:46am | 2:26pm | Morning |
| Neptune | Oph | 8.0 | 3:12am | 10:23am | 5:34pm | 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 56% Moon washes out fainter meteors for part of the night.
The solar system — January 1975
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 23 August 2026.