The Sky over the Mornington Peninsula — July 2158
Highlights this month
- 2SunUranus at opposition — closest and brightest of the year, up all night in Sagittarius (mag 5.6). (12:43am)
- 5WedMercury in inferior conjunction with the Sun — lost in the glare. (9:22am)
- 8SatMars in superior conjunction with the Sun — lost in the glare. (9:41pm)
- 15SatNeptune at opposition — closest and brightest of the year, up all night in Sagittarius (mag 7.8). (6:09am)
- 16SunMercury is stationary — resumes direct (eastward) motion. (11:32am)
- 26WedMercury at greatest morning elongation (20° from the Sun, mag 0.2) — best morning apparition. (6:18pm)
- 30SunSouthern Delta Aquariids meteor shower peaks (up to 25/hr). A thin 23% Moon leaves the sky dark.
- 30SunAlpha Capricornids meteor shower peaks (up to 5/hr). A thin 23% Moon leaves the sky dark.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 7:38am | 5:10pm | 9h 33m | 6:45pm | 6:03am |
| Mon 10 | 7:36am | 5:15pm | 9h 39m | 6:49pm | 6:02am |
| Thu 20 | 7:31am | 5:22pm | 9h 51m | 6:55pm | 5:58am |
| Mon 31 | 7:22am | 5:31pm | 10h 09m | 7:02pm | 5:51am |
Days lengthen by about 36 minutes over the month.
The Moon
- First QuarterMon 3, 11:01pm
- Full MoonWed 12, 1:46am
- Last QuarterWed 19, 8:53am
- New MoonWed 26, 1:52am
Apogee 7 Jul (405,400 km) · Perigee 22 Jul (366,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Gem | 2.5 | 6:25am | 11:25am | 4:26pm | Hidden |
| Venus | Gem | −3.7 | 6:30am | 11:15am | 4:00pm | Hidden |
| Mars | Gem | 1.6 | 7:33am | 12:19pm | 5:04pm | Hidden |
| Jupiter | Leo | −1.6 | 10:06am | 3:43pm | 9:19pm | Evening |
| Saturn | Vir | 0.8 | 11:22am | 5:30pm | 11:38pm | Evening |
| Uranus | Sgr | 5.6 | 4:05pm | 11:27pm | 6:53am | Evening |
| Neptune | Sgr | 7.8 | 5:10pm | 12:27am | 7:39am | All night |
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 23% 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 23% Moon leaves the sky dark.
The solar system — July 2158
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 30 September 2026.
