The Sky over the Mornington Peninsula — October 1991
Highlights this month
- 4FriMercury in superior conjunction with the Sun — lost in the glare. (2:25am)
- 5SatThe Moon passes Venus — 0.2° apart. (1:14am)
- 5SatSaturn is stationary — resumes direct (eastward) motion. (8:54am)
- 16WedThe Moon passes Saturn — 2° apart. (8:27pm)
- 21MonOrionids meteor shower peaks (up to 20/hr). A bright 94% Moon interferes badly this year.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 5:57am | 6:24pm | 12h 27m | 7:53pm | 4:27am |
| Thu 10 | 5:43am | 6:32pm | 12h 49m | 8:03pm | 4:12am |
| Sun 20 | 5:28am | 6:42pm | 13h 13m | 8:16pm | 3:55am |
| Wed 31 | 6:14am | 7:53pm | 13h 39m | 9:32pm | 4:36am |
Days lengthen by about 72 minutes over the month.
The Moon
- Last QuarterTue 1, 10:31am
- New MoonTue 8, 7:36am
- First QuarterWed 16, 3:37am
- Full MoonWed 23, 9:16pm
- Last QuarterWed 30, 6:08pm
Perigee 3 Oct (369,500 km) · Apogee 15 Oct (404,700 km) · Perigee 28 Oct (368,100 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.9 | 5:57am | 12:36pm | 7:16pm | Hidden |
| Venus | Leo | −4.6 | 3:38am | 9:17am | 2:55pm | Morning |
| Mars | Vir | 1.6 | 5:58am | 12:35pm | 7:12pm | Hidden |
| Jupiter | Leo | −1.6 | 3:52am | 9:22am | 2:53pm | Hidden |
| Saturn | Cap | 0.4 | 11:46am | 6:57pm | 2:12am | Evening |
| Uranus | Sgr | 5.8 | 10:09am | 5:31pm | 12:57am | Evening |
| Neptune | Sgr | 7.9 | 10:31am | 5:47pm | 1:07am | Evening |
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 94% Moon interferes badly this year.
The solar system — October 1991
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 18 August 2026.