30 Dor Cluster
Nebula in Dorado · 160,000 light-years
🔭 Explore 30 Dor Cluster in the 3D map →| Type | Nebula |
|---|---|
| Constellation | Dorado |
| Distance | 160,000 light-years |
| Apparent magnitude | 7.3 |
| Apparent size | 16′ (arc-minutes) |
| Also known as | C103 · NGC 2070 · Tarantula Nebula |
Caldwell 103, popularly known as the 30 Dor Cluster, is a nebula (NGC 2070) in Dorado — a luminous cloud of interstellar gas and dust. It appears as number 103 in the Caldwell catalogue, Sir Patrick Moore's 1995 list of 109 bright deep-sky objects for amateur astronomers. It spans roughly 16 arc-minutes on the sky. At about magnitude 7.3, it is a rewarding binocular and small-telescope target.
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