The Sky over the Mornington Peninsula — September 1978
Highlights this month
- 5TueMercury at greatest morning elongation (18° from the Sun, mag −0.3) — best morning apparition. (7:07am)
- 6WedThe Moon passes Mars — 2° apart. (8:08am)
- 23SatSpring equinox.
- 27WedThe Moon passes Jupiter — 5° apart. (10:14am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:43am | 5:58pm | 11h 15m | 7:25pm | 5:15am |
| Sun 10 | 6:29am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Wed 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Sat 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonSun 3, 2:08am
- First QuarterSun 10, 1:23pm
- Full MoonSun 17, 5:03am
- Last QuarterSun 24, 3:10pm
Perigee 14 Sep (364,000 km) · Apogee 26 Sep (405,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −1.2 | 5:57am | 11:29am | 5:01pm | Hidden |
| Venus | Vir | −4.5 | 7:57am | 2:57pm | 9:58pm | Evening |
| Mars | Vir | 1.6 | 7:49am | 2:25pm | 9:00pm | Evening |
| Jupiter | Cnc | −1.7 | 4:06am | 9:02am | 1:58pm | Morning |
| Saturn | Leo | 0.7 | 5:51am | 11:20am | 4:48pm | Hidden |
| Uranus | Lib | 5.6 | 8:37am | 3:30pm | 10:22pm | Evening |
| Neptune | Oph | 7.9 | 10:29am | 5:42pm | 1:00am | Evening |
The solar system — September 1978
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 23 August 2026.
