Sky and Telescope
- This Week's Sky at a Glance, September 19 – 28 19 September 2025On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart. The post This Week's Sky at a Glance, September 19 – 28 appeared first on Sky & Telescope.Alan MacRobert
- Last Call for a Remarkable Titan Shadow Transit 17 September 2025Titan joins its shadow for a "grand finale" this October. The post Last Call for a Remarkable Titan Shadow Transit appeared first on Sky & Telescope.Bob King
- New Comet SWAN (C/2025 R2) Pops Out from Behind the Sun 12 September 2025Ukrainian amateur discovers a bright, new comet now in the evening sky. The post New Comet SWAN (C/2025 R2) Pops Out from Behind the Sun appeared first on Sky & Telescope.Bob King
- This Week's Sky at a Glance, September 12 – 21 12 September 2025Venus has double close conjunctions with the crescent Moon and Regulus in the dawn next Friday the 19th. Meanwhile, Saturn and Neptune are coming to opposition. The post This Week's Sky at a Glance, September 12 – 21 appeared first on Sky & Telescope.Alan MacRobert
- This Week's Sky at a Glance, September 5 – 14 5 September 2025Saturn nears opposition as the full Moon passes it. Once the Moon goes away, the dark sky offers binocular users the Dumbbell Nebula and the globular M2. The post This Week's Sky at a Glance, September 5 – 14 appeared first on Sky & Telescope.Alan MacRobert
- Sweet Prospects for Comet Lemmon (C/2025 A6) 3 September 2025A promising comet could reach naked-eye brightness next month. Here's how to track it. The post Sweet Prospects for Comet Lemmon (C/2025 A6) appeared first on Sky & Telescope.Bob King
- This Week's Sky at a Glance, August 29 – September 7 29 August 2025Jupiter, Venus, and Mercury continue at dawn. The evening Moon meets Saturn while Fomalhaut looks on. Saturn's own biggest moon casts its shadow onto the planet, for one of the last times for 15 years. The post This Week's Sky at a Glance, August 29 – September 7 appeared first on Sky & Telescope.Alan MacRobert
- This Week's Sky at a Glance, August 22 – 31 22 August 2025The Kite of Boötes tips. The Great Square of Pegasus balances en pointe. Cassiopeia climbs. And Saturn muscles up in the east. The post This Week's Sky at a Glance, August 22 – 31 appeared first on Sky & Telescope.Alan MacRobert
- The Mystery of Leslie Peltier's "Two Tiny Diamonds" 20 August 2025How a determined amateur astronomer may have hit on the identity of a Cepheid variable double star described by a beloved author. The post The Mystery of Leslie Peltier's "Two Tiny Diamonds" appeared first on Sky & Telescope.Bob King
- This Week's Sky at a Glance, August 15 – 24 15 August 2025Saturn glows through the evening near the Andromegasus Dipper. Venus and Jupiter, drawing apart, still light the dawn dramatically. The Moon joins them. The post This Week's Sky at a Glance, August 15 – 24 appeared first on Sky & Telescope.Alan MacRobert