Caldwell 82
C82
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Object
- Type (NASA)
- Open Cluster
- Distance from Earth
- 3,700 light-years
- Apparent magnitude
- 5.2 mag
- NASA description
- This bright open cluster of stars is just visible to the unaided eye away from light-polluted skies.
Source:NASA Hubble (Messier/Caldwell catalogs) · checked 2026-11-02 ↗
Related
Constellation
In everyday life
- Light from this object takes about 3,700 years to reach Earth — the light you see tonight left 3,700 years ago (official distance ÷ speed of light).
- At magnitude 5.2 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- It lies in Ara — find the constellation first to know where to look.