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Niche Astronomical Data
Comet Visibility Query
Currently observable comets and their expected magnitude.
Try the tool
- C/2023 A3 (Tsuchinshan–ATLAS)mag 8.5Fading, telescope required
- 12P/Pons–Brooksmag 12Faint, large telescope
- C/2024 G3 (ATLAS)mag 9Southern hemisphere, binoculars
Tool principle
Curated list of comets brighter than magnitude ~13 (accessible with amateur telescopes) drawn from public elements published by the Minor Planet Center.
Data source: Minor Planet Center published elements (public).
User guide
- 1Check the magnitude — under 6 is naked-eye, 6–10 is binoculars, deeper needs a telescope.
- 2Cross-reference with a planetarium app for exact RA/Dec.
Frequently asked questions
How often does this update?＋
Comet brightness is unpredictable; refresh once a week during active apparitions.