WHAT’S UP(COMING)! – Observation Calendar Dec 2025-Feb 2026
Source for events and links below are In-The-Sky.org, Dominic Ford, Editor. The links provide details for each event including a scale on how difficult they are to observe.
Additionally, here’s a link to a printable PDF for “Navigating the December Night Sky” from our friends at the Astronomical League!
Dec 4 – Mercury at dichotomy
– Full Moon
Dec 6 – December φ-Cassiopeid meteor shower 2025 peak
Dec 7 – Conjunction of the Moon and Jupiter
– Mercury at greatest elongation west
– Asteroid 16 Psyche at opposition
Dec 9 – Monocerotid meteor shower 2025 peak
Dec 12 – σ-Hydrid meteor shower 2025 peak
Dec 14 – Geminid meteor shower 2025 peak
Dec 15 – The Running Man cluster is well placed
– The Orion Nebula is well placed
Dec 16 – Comae Berenicid meteor shower 2025 peak
Dec 19 – December Leonis Minorid meteor shower 2025 peak
– New Moon
Dec 21 – December solstice
Dec 22 – Ursid meteor shower 2025 peak
Dec 26 – Conjunction of the Moon and Saturn
Dec 28 – The cluster NGC 2232 is well placed
Dec 29 – The Rosette Nebula is well placed
Jan 2 – The cluster Messier 41 is well placed
– Asteroid 40 Harmonia at opposition
Jan 3 – Conjunction of the Moon and Jupiter
– Quadrantid meteor shower 2026 peak
– Full Moon
Jan 4 – Close approach of the Moon and M44
Jan 6 – Comet 24P/Schaumasse reaches peak brightness
Jan 10 – Jupiter at opposition
Jan 15 – The cluster Messier 47 is well placed
Jan 18 – New Moon
Jan 19 – γ-Ursae Minorid meteor shower 2026 peak
Jan 23 – Close approach of the Moon, Saturn and Neptune
– Asteroid 44 Nysa at opposition
Jan 27 – Close approach of the Moon and M45
Jan 30 – Conjunction of the Moon and Jupiter
Jan 31 – The Beehive cluster is well placed
Feb 1 – Close approach of the Moon and M44
– Full Moon
Feb 17 – New Moon
Feb 18 – Conjunction of the Moon and Mercury
Feb 19 – Messier 81 is well placed
– Conjunction of the Moon and Saturn
Feb 20 – Mercury at highest altitude in evening sky
Feb 23 – Close approach of the Moon and M45
Feb 26 – Conjunction of the Moon and Jupiter
Feb 27 – Asteroid 7 Iris at opposition
Feb 28 – Close approach of the Moon and M44
