The Sky over the Mornington Peninsula — July 1987
Highlights this month
- 4SatMercury in inferior conjunction with the Sun — lost in the glare. (1:55pm)
- 15WedMercury is stationary — resumes direct (eastward) motion. (3:31pm)
- 18SatThe Moon passes Jupiter — 3° apart. (11:57am)
- 25SatMercury at greatest morning elongation (20° from the Sun, mag 0.2) — best morning apparition. (7:24pm)
- 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.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 7:37am | 5:10pm | 9h 32m | 6:44pm | 6:03am |
| Fri 10 | 7:36am | 5:14pm | 9h 39m | 6:49pm | 6:02am |
| Mon 20 | 7:31am | 5:21pm | 9h 50m | 6:54pm | 5:58am |
| Fri 31 | 7:23am | 5:30pm | 10h 07m | 7:01pm | 5:51am |
Days lengthen by about 35 minutes over the month.
The Moon
- First QuarterSat 4, 6:33pm
- Full Moon SupermoonSat 11, 1:36pm
- Last QuarterSat 18, 6:20am
- New MoonSun 26, 6:37am
Perigee 11 Jul (356,800 km) · Apogee 25 Jul (406,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Gem | 2.2 | 6:22am | 11:21am | 4:21pm | Hidden |
| Venus | Gem | −3.7 | 6:55am | 11:40am | 4:24pm | Hidden |
| Mars | Cnc | 1.8 | 8:26am | 1:22pm | 6:18pm | Hidden |
| Jupiter | Psc | −2.1 | 1:04am | 6:36am | 12:08pm | Morning |
| Saturn | Oph | 0.1 | 2:33pm | 9:46pm | 5:03am | Evening |
| Uranus | Oph | 5.6 | 2:59pm | 10:21pm | 5:47am | Evening |
| Neptune | Sgr | 7.8 | 3:58pm | 11:15pm | 6:36am | 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 1987
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
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Generated automatically from the MPAS sky engine on 20 August 2026.