Caldwell 1
Star cluster in Cepheus · 5,400 light-years
🔭 Explore Caldwell 1 in the 3D map →| Type | Star cluster |
|---|---|
| Constellation | Cepheus |
| Distance | 5,400 light-years |
| Apparent magnitude | 8.1 |
| Apparent size | 17.7′ (arc-minutes) |
| Also known as | C1 · NGC 188 |
Caldwell 1 is a star cluster (NGC 188) in Cepheus — a family of stars bound by gravity. It appears as number 1 in the Caldwell catalogue, Sir Patrick Moore's 1995 list of 109 bright deep-sky objects for amateur astronomers. It spans roughly 17.7 arc-minutes on the sky. At about magnitude 8.1, it shows up in a small backyard telescope.
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Related objects
- Pleiades — star cluster
- Hercules Cluster — star cluster
- Small Sgr Star Cloud — star cluster
- Messier 25 — star cluster
- Messier 103 — star cluster