The Sky over the Mornington Peninsula — September 1998
Highlights this month
- 7MonThe Moon passes Jupiter — 0.5° apart. (2:35pm)
- 10ThuThe Moon passes Saturn — 2° apart. (5:09am)
- 16WedJupiter at opposition — closest and brightest of the year, up all night in Pisces (mag −2.8). (1:20pm)
- 23WedSpring equinox.
- 26SatMercury in superior conjunction with the Sun — lost in the glare. (5:35am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:15am |
| Thu 10 | 6:29am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Sun 20 | 6:13am | 6:14pm | 12h 01m | 7:42pm | 4:45am |
| Wed 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonSun 6, 9:25pm
- Last QuarterSun 13, 11:55am
- New MoonMon 21, 3:06am
- First QuarterTue 29, 7:13am
Perigee 8 Sep (361,100 km) · Apogee 24 Sep (406,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −1.4 | 6:07am | 11:43am | 5:20pm | Hidden |
| Venus | Leo | −3.7 | 5:59am | 11:34am | 5:08pm | Hidden |
| Mars | Cnc | 1.7 | 4:54am | 10:00am | 3:07pm | Hidden |
| Jupiter | Psc | −2.8 | 6:05pm | 12:24am | 6:39am | All night |
| Saturn | Ari | 0.0 | 9:18pm | 2:52am | 8:23am | Morning |
| Uranus | Cap | 5.7 | 2:27pm | 9:30pm | 4:38am | Evening |
| Neptune | Sgr | 7.8 | 1:41pm | 8:50pm | 4:02am | Evening |
The solar system — September 1998
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 16 August 2026.
