NGC 103
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| AladinLite | |
| Constellation | Cassiopeia |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 00 h 25 m 16.4 s |
| declination | + 61 ° 19 ′ 24 ″ |
| Appearance
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| classification | II 2 p |
| Brightness (visual) | +9.8 mag |
| Brightness (B-band) | +10.28 mag |
| Angular expansion | 5 ' |
| Redness ( excess color E (BV)) | 1,114 |
| Physical data
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| distance | approx. 9900 ly (approx. 3000 pc ) |
| history | |
| Discovered by | John Herschel |
| Discovery time | October 5, 1829 |
| Catalog names | |
| NGC 103 • C 0022 + 610 • OCl 291 • Cr 1 • Lund 13 • GC 51 • h 20 | |
NGC 103 is an open cluster of Trumpler type II2p in the constellation Cassiopeia at the northern sky . It is around 10,000 light years away from the solar system and has a diameter of around 8 × 16 light years .
The star cluster NGC 103 was discovered on October 5, 1829 by the British astronomer John Herschel .
Individual evidence
- ↑ a b NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b SEDS: NGC 103
- ↑ a b SIMBAD database
- ^ A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds
- ↑ Seligman