The Sky over the Mornington Peninsula — July 2139
Highlights this month
- 2ThuMercury is stationary — resumes direct (eastward) motion. (12:40pm)
- 13MonVenus in superior conjunction with the Sun — lost in the glare. (3:04am)
- 13MonThe Moon passes Jupiter — 0.9° apart. (6:46pm)
- 13MonMercury at greatest morning elongation (21° from the Sun, mag 0.3) — best morning apparition. (8:42pm)
- 14TueThe Moon passes Saturn — 2° apart. (6:37am)
- 30ThuSouthern Delta Aquariids meteor shower peaks (up to 25/hr). A thin 17% Moon leaves the sky dark.
- 30ThuAlpha Capricornids meteor shower peaks (up to 5/hr). A thin 17% Moon leaves the sky dark.
- 30ThuJupiter at opposition — closest and brightest of the year, up all night in Capricornus (mag −2.7). (3:13pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 7:38am | 5:10pm | 9h 33m | 6:45pm | 6:03am |
| Fri 10 | 7:36am | 5:15pm | 9h 39m | 6:49pm | 6:02am |
| Mon 20 | 7:31am | 5:22pm | 9h 51m | 6:55pm | 5:58am |
| Fri 31 | 7:23am | 5:31pm | 10h 08m | 7:02pm | 5:51am |
Days lengthen by about 35 minutes over the month.
The Moon
- First QuarterSat 4, 7:39pm
- Full MoonSun 12, 9:49am
- Last QuarterSun 19, 3:22am
- New MoonSun 26, 9:22am
Apogee 3 Jul (404,800 km) · Perigee 15 Jul (366,600 km) · Apogee 31 Jul (405,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Gem | 0.1 | 6:03am | 10:56am | 3:49pm | Hidden |
| Venus | Gem | −3.8 | 7:41am | 12:30pm | 5:18pm | Hidden |
| Mars | Tau | 1.6 | 6:06am | 10:48am | 3:29pm | Hidden |
| Jupiter | Cap | −2.6 | 6:28pm | 1:37am | 8:40am | Morning |
| Saturn | Cap | 0.2 | 7:05pm | 2:06am | 9:03am | Morning |
| Uranus | Vir | 5.5 | 11:19am | 5:34pm | 11:49pm | Evening |
| Neptune | Oph | 7.9 | 2:12pm | 9:22pm | 4:36am | Evening |
Meteor showers
- Southern Delta Aquariids — peaks 30 July, radiant in Aquarius (up to 25/hr). A favourite southern shower with a high radiant — steady rates through the small hours; overlaps the Alpha Capricornids. A thin 17% Moon leaves the sky dark.
- Alpha Capricornids — peaks 30 July, radiant in Capricornus (up to 5/hr). Low rates but noted for slow, bright fireballs; radiant well placed from the south. A thin 17% Moon leaves the sky dark.
The solar system — July 2139
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 September 2026.
