A New Bright Comet Appears 2025 Calendar. Download this detailed sky guide to discover what 2025 has in store for skywatchers: 2025 is shaping up to be an exciting year for comet enthusiasts, with several comets expected to grace the night sky reaching naked eye or binocular viewing.

The next bright comet, c/2023 a3, will light up the sky this weekend! On april 9 or april 10—depending on where you are—the new.