NGC 103
AladinLite | |
Constellation | Cassiopeia |
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