The Sky over the Mornington Peninsula — July 1989
Highlights this month
- 2SunSaturn at opposition — closest and brightest of the year, up all night in Sagittarius (mag −0.1). (10:35pm)
- 3MonNeptune at opposition — closest and brightest of the year, up all night in Sagittarius (mag 7.8). (8:15am)
- 5WedThe Moon passes Mars — 0.1° apart. (10:28pm)
- 13ThuVenus and Mars in conjunction — 0.4° apart. (3:19am)
- 17MonThe Moon passes Saturn — 4° apart. (10:53pm)
- 18TueMercury in superior conjunction with the Sun — lost in the glare. (6:04pm)
- 30SunThe Moon passes Jupiter — 5° apart. (2:30am)
- 30SunSouthern Delta Aquariids meteor shower peaks (up to 25/hr). A thin 6% Moon leaves the sky dark.
- 30SunAlpha Capricornids meteor shower peaks (up to 5/hr). A thin 6% Moon leaves the sky dark.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 7:37am | 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 08m | 7:02pm | 5:51am |
Days lengthen by about 36 minutes over the month.
The Moon
- New MoonMon 3, 2:58pm
- First QuarterTue 11, 10:25am
- Full MoonWed 19, 3:47am
- Last QuarterTue 25, 11:32pm
Apogee 11 Jul (404,700 km) · Perigee 23 Jul (368,600 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Gem | −1.9 | 7:25am | 12:10pm | 4:55pm | Hidden |
| Venus | Leo | −3.7 | 9:08am | 2:17pm | 7:26pm | Evening |
| Mars | Cnc | 1.9 | 9:02am | 2:11pm | 7:19pm | Evening |
| Jupiter | Tau | −1.8 | 5:49am | 10:34am | 3:18pm | Hidden |
| Saturn | Sgr | −0.0 | 4:10pm | 11:28pm | 6:51am | Evening |
| Uranus | Sgr | 5.6 | 3:34pm | 10:57pm | 6:25am | Evening |
| Neptune | Sgr | 7.8 | 4:16pm | 11:32pm | 6:53am | 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 6% 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 6% Moon leaves the sky dark.
The solar system — July 1989
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 19 August 2026.