The Sky over the Mornington Peninsula — September 1999
Highlights this month
- 1WedThe Moon passes Saturn — 3° apart. (5:46pm)
- 9ThuMercury in superior conjunction with the Sun — lost in the glare. (12:45am)
- 10FriVenus is stationary — resumes direct (eastward) motion. (6:26am)
- 23ThuSpring equinox.
- 28TueThe Moon passes Jupiter — 4° apart. (1:07am)
- 28TueThe Moon passes Saturn — 3° apart. (11:00pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 6:43am | 5:58pm | 11h 14m | 7:25pm | 5:15am |
| Fri 10 | 6:29am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Mon 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Thu 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterFri 3, 8:21am
- New MoonFri 10, 8:03am
- First QuarterSat 18, 6:06am
- Full MoonSat 25, 8:58pm
Perigee 3 Sep (369,900 km) · Apogee 17 Sep (404,800 km) · Perigee 29 Sep (366,100 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.2 | 6:42am | 12:38pm | 6:35pm | Hidden |
| Venus | Leo | −4.6 | 4:31am | 10:04am | 3:37pm | Morning |
| Mars | Oph | 0.5 | 9:45am | 5:08pm | 12:32am | Evening |
| Jupiter | Ari | −2.6 | 9:28pm | 2:57am | 8:22am | Morning |
| Saturn | Ari | −0.1 | 10:28pm | 3:48am | 9:03am | Morning |
| Uranus | Cap | 5.8 | 2:49pm | 9:48pm | 4:52am | Evening |
| Neptune | Cap | 7.8 | 1:53pm | 9:00pm | 4:11am | Evening |
The solar system — September 1999
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 15 August 2026.