The Sky over the Mornington Peninsula — August 2109
Highlights this month
- 2FriMercury at greatest evening elongation (27° from the Sun, mag 0.4) — best evening apparition. (2:11am)
- 10SatThe Moon passes Saturn — 4° apart. (9:27am)
- 13TuePerseids meteor shower peaks (up to 100/hr). A bright 93% Moon interferes badly this year.
- 15ThuMercury is stationary — begins retrograde (westward) motion. (4:08am)
- 29ThuMercury in inferior conjunction with the Sun — lost in the glare. (5:57pm)
- 29ThuThe Moon passes Venus — 4° apart. (11:35pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 7:21am | 5:32pm | 10h 10m | 7:03pm | 5:50am |
| Sat 10 | 7:12am | 5:39pm | 10h 27m | 7:09pm | 5:42am |
| Tue 20 | 7:00am | 5:48pm | 10h 48m | 7:17pm | 5:31am |
| Sat 31 | 6:44am | 5:57pm | 11h 13m | 7:25pm | 5:16am |
Days lengthen by about 63 minutes over the month.
The Moon
- First QuarterSun 4, 6:49am
- Full MoonSun 11, 5:04am
- Last QuarterMon 19, 3:10am
- New MoonMon 26, 5:47pm
Perigee 4 Aug (369,900 km) · Apogee 18 Aug (404,800 km) · Perigee 30 Aug (366,500 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | 1.2 | 7:47am | 1:40pm | 7:34pm | Evening |
| Venus | Vir | −3.9 | 8:53am | 2:59pm | 9:05pm | Evening |
| Mars | Cnc | 1.7 | 6:05am | 10:57am | 3:50pm | Hidden |
| Jupiter | Cnc | −1.6 | 6:34am | 11:36am | 4:39pm | Hidden |
| Saturn | Cap | 0.1 | 4:15pm | 11:21pm | 6:31am | Evening |
| Uranus | Tau | 5.8 | 1:54am | 6:49am | 11:43am | Morning |
| Neptune | Vir | 8.0 | 9:03am | 3:07pm | 9:11pm | Evening |
Meteor showers
- Perseids — peaks 13 August, radiant in Perseus (up to 100/hr). The famous northern shower, but its far-northern radiant scarcely rises from Victoria — only a trickle this far south. A bright 93% Moon interferes badly this year.
The solar system — August 2109
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 5 September 2026.