The Sky over the Mornington Peninsula — April 1991
Highlights this month
- 5FriMercury is stationary — begins retrograde (westward) motion. (3:16am)
- 9TueThe Moon passes Saturn — 1° apart. (5:58am)
- 15MonMercury in inferior conjunction with the Sun — lost in the glare. (6:39am)
- 18ThuUranus is stationary — begins retrograde (westward) motion. (6:36pm)
- 19FriNeptune is stationary — begins retrograde (westward) motion. (3:48am)
- 20SatThe Moon passes Mars — 0.6° apart. (9:35am)
- 22MonThe Moon passes Jupiter — 2° apart. (4:15am)
- 23TueLyrids meteor shower peaks (up to 18/hr). A bright 69% Moon interferes badly this year.
- 27SatMercury is stationary — resumes direct (eastward) motion. (3:32pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:33am | 6:14pm | 11h 41m | 7:42pm | 5:05am |
| Wed 10 | 6:41am | 6:01pm | 11h 19m | 7:28pm | 5:14am |
| Sat 20 | 6:51am | 5:47pm | 10h 56m | 7:15pm | 5:22am |
| Tue 30 | 7:00am | 5:34pm | 10h 34m | 7:03pm | 5:30am |
Days shorten by about 67 minutes over the month.
The Moon
- Last QuarterSun 7, 4:43pm
- New MoonMon 15, 5:45am
- First QuarterSun 21, 10:40pm
- Full MoonMon 29, 6:56am
Apogee 6 Apr (404,900 km) · Perigee 18 Apr (365,600 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Psc | 7.7 | 6:51am | 12:16pm | 5:41pm | Hidden |
| Venus | Tau | −3.9 | 10:00am | 2:49pm | 7:38pm | Hidden |
| Mars | Gem | 1.2 | 12:41pm | 5:17pm | 9:54pm | Evening |
| Jupiter | Cnc | −1.9 | 2:18pm | 7:13pm | 12:13am | Evening |
| Saturn | Cap | 0.6 | 12:18am | 7:23am | 2:29pm | Morning |
| Uranus | Sgr | 5.7 | 10:25pm | 5:50am | 1:11pm | Morning |
| Neptune | Sgr | 7.9 | 10:43pm | 6:02am | 1:17pm | Morning |
Meteor showers
- Lyrids — peaks 23 April, radiant in Lyra (up to 18/hr). A modest shower; the radiant is low in the north-east before dawn from Victoria. A bright 69% Moon interferes badly this year.
The solar system — April 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 19 August 2026.