Copeland's Blue Snowball
Nebula in Andromeda · 2,500 light-years
🔭 Explore Copeland's Blue Snowball in the 3D map →| Type | Nebula |
|---|---|
| Constellation | Andromeda |
| Distance | 2,500 light-years |
| Apparent magnitude | 8.3 |
| Apparent size | 0.3′ (arc-minutes) |
| Also known as | C22 · NGC 7662 |
Caldwell 22, popularly known as Copeland's Blue Snowball, is a nebula (NGC 7662) in Andromeda — a luminous cloud of interstellar gas and dust. It appears as number 22 in the Caldwell catalogue, Sir Patrick Moore's 1995 list of 109 bright deep-sky objects for amateur astronomers. It spans roughly 0.3 arc-minutes on the sky. At about magnitude 8.3, it shows up in a small backyard telescope.
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