The Sky over the Mornington Peninsula — October 2099
Highlights this month
- 1ThuMercury at greatest evening elongation (26° from the Sun, mag 0.0) — best evening apparition. (1:26pm)
- 10SatSaturn in superior conjunction with the Sun — lost in the glare. (4:53pm)
- 13TueUranus at opposition — closest and brightest of the year, up all night in Pisces (mag 5.7). (2:54am)
- 14WedMercury is stationary — begins retrograde (westward) motion. (4:35am)
- 16FriThe Moon passes Venus — 4° apart. (2:51am)
- 18SunMars at opposition — closest and brightest of the year, up all night in Pisces (mag −2.6). (7:35pm)
- 21WedOrionids meteor shower peaks (up to 20/hr). A 53% Moon washes out fainter meteors for part of the night.
- 25SunMercury in inferior conjunction with the Sun — lost in the glare. (8:43pm)
- 28WedThe Moon passes Mars — 4° apart. (11:26am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 5:55am | 6:24pm | 12h 29m | 7:54pm | 4:26am |
| Sat 10 | 6:42am | 7:33pm | 12h 51m | 9:04pm | 5:10am |
| Tue 20 | 6:27am | 7:43pm | 13h 15m | 9:17pm | 4:53am |
| Sat 31 | 6:13am | 7:54pm | 13h 41m | 9:33pm | 4:35am |
Days lengthen by about 72 minutes over the month.
The Moon
- Last QuarterWed 7, 8:30pm
- New MoonWed 14, 12:35pm
- First QuarterWed 21, 10:26am
- Full MoonThu 29, 3:27pm
Perigee 13 Oct (357,600 km) · Apogee 26 Oct (406,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Lib | 0.8 | 7:12am | 2:14pm | 9:16pm | Hidden |
| Venus | Lib | −3.7 | 7:37am | 2:33pm | 9:29pm | Hidden |
| Mars | Psc | −2.6 | 7:45pm | 1:29am | 7:06am | All night |
| Jupiter | Vir | −1.5 | 6:06am | 12:14pm | 6:23pm | Hidden |
| Saturn | Vir | 0.6 | 6:36am | 12:53pm | 7:11pm | Hidden |
| Uranus | Psc | 5.7 | 7:16pm | 12:59am | 6:39am | All night |
| Neptune | Leo | 8.0 | 5:13am | 10:55am | 4:37pm | 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 53% Moon washes out fainter meteors for part of the night.
The solar system — October 2099
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.