Thursday 2 Dwarf planet Ceres reaches opposition in the constellation of Cetus, shining at mag. +7.6. Find further details on page 47. Friday ▶ 3 Tonight and the night of 17/18 October are good times

Best time to see: 31 October, 05:15 UT Altitude: 58° Location: Gemini Direction: South Features: Complex atmosphere, moons Recommended equipment: 100mm or larger Jupiter skips opposition in 2025. Its

1 Oct 00:00 AEST (30 Sep, 14:00 UT) 15 Oct 23:00 AEDT (12:00 UT) 31 Oct 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

BEST TIME TO SEE: 6, 13, 21 and 29 October at the times shown With long, dark nights settling in and Saturn favourably positioned in the sky, now’s a great time to catch an unusual view of the ringed

2 Sunday Mag. +0.4 Saturn is 5.7° from this morning’s 82%-lit waxing gibbous Moon. Catch them together before they set at around 01:00 UT. Tuesday 4 Callisto’s shadow transits Jupiter’s disc from 07:0

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai