The Sky over the Mornington Peninsula — October 2121
Highlights this month
- 4SatMercury at greatest morning elongation (18° from the Sun, mag −0.5) — best morning apparition. (11:19am)
- 4SatThe Moon passes Saturn — 0.9° apart. (11:33am)
- 7TueThe Moon passes Jupiter — 3° apart. (12:45pm)
- 15WedThe Moon passes Mars — 4° apart. (2:45am)
- 21TueOrionids meteor shower peaks (up to 20/hr). A bright 70% Moon interferes badly this year.
- 26SunNeptune in superior conjunction with the Sun — lost in the glare. (7:24pm)
- 30ThuSaturn is stationary — begins retrograde (westward) motion. (10:03pm)
- 31FriThe Moon passes Saturn — 0.5° apart. (9:37pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 5:56am | 6:24pm | 12h 28m | 7:54pm | 4:26am |
| Fri 10 | 6:42am | 7:32pm | 12h 50m | 9:04pm | 5:11am |
| Mon 20 | 6:28am | 7:42pm | 13h 14m | 9:17pm | 4:54am |
| Fri 31 | 6:14am | 7:54pm | 13h 40m | 9:32pm | 4:36am |
Days lengthen by about 72 minutes over the month.
The Moon
- Last QuarterFri 3, 9:45pm
- New MoonSun 12, 2:29am
- First QuarterSun 19, 9:35pm
- Full MoonSun 26, 12:20pm
Apogee 9 Oct (406,200 km) · Perigee 25 Oct (359,500 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.1 | 6:13am | 12:21pm | 6:30pm | Hidden |
| Venus | Vir | −3.7 | 6:09am | 12:18pm | 6:28pm | Hidden |
| Mars | Lib | 1.4 | 8:07am | 3:15pm | 10:23pm | Evening |
| Jupiter | Leo | −1.7 | 4:20am | 9:38am | 2:57pm | Morning |
| Saturn | Gem | −0.1 | 2:14am | 7:03am | 11:53am | Morning |
| Uranus | Gem | 5.6 | 2:45am | 7:35am | 12:25pm | Morning |
| Neptune | Vir | 8.0 | 7:12am | 1:49pm | 8:25pm | Hidden |
Meteor showers
- Orionids — peaks 21 October, radiant in Orion (up to 20/hr). Also from Halley's Comet; Orion rides high after midnight from the south, giving a fair show. A bright 70% Moon interferes badly this year.
The solar system — October 2121
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 9 September 2026.