Calendar of Astronomical Events

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
	1	2 Pheonicid meteor shower 2025 Comet C/2025 T1 (ATLAS) passes perihelion	3 The Moon at aphelion Close approach of the Moon and M45	4 Mercury at dichotomy The Moon at perigee Full Moon	5 Lunar occultation of Beta Tauri	6 Mercury at highest altitude in morning sky December φ-Cassiopeid meteor shower 2025
7 Puppid-Velid meteor shower 2025 Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter Mercury at greatest elongation west Asteroid 16 Psyche at opposition	8	9 Monocerotid meteor shower 2025 Lunar occultation of Regulus	10 Neptune ends retrograde motion	11 Moon at Last Quarter	12 σ-Hydrid meteor shower 2025 The Large Magellanic Cloud is well placed	13
14 Geminid meteor shower 2025	15 The Running Man cluster is well placed The Orion Nebula is well placed	16 Comae Berenicid meteor shower 2025 The Moon at apogee	17	18 Conjunction of the Moon and Mercury	19 New Moon	20 December Leonis Minorid meteor shower 2025 The Moon at perihelion
21 December solstice	22 Ursid meteor shower 2025	23	24	25	26 Close approach of the Moon and Saturn Conjunction of the Moon and Saturn	27 Moon at First Quarter
28 The cluster NGC 2232 is well placed	29 The Rosette Nebula is well placed	30	31 Close approach of the Moon and M45