NGC 550 | |
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Observation data (J2000 epoch) | |
Constellation | Cetus |
Right ascension | 01h 26m 42.560s[1] |
Declination | +02° 01′ 20.52″[1] |
Redshift | 0.019560[2] |
Heliocentric radial velocity | 5807 km/s[2] |
Distance | 303.7 Mly (93.10 Mpc)[3] |
Apparent magnitude (B) | 15.0[2] |
Characteristics | |
Type | SB(s)a?[3] |
Other designations | |
UGC 1021, MCG +00-04-146, PGC 5374[2] |
NGC 550 is a spiral galaxy in the constellation Cetus. It is estimated to be about 300 million light-years from the Milky Way[3] and has a diameter of approximately 110,000 light years. The German-British astronomer William Herschel discovered it on 8 October 1785.[4][5][6]
One supernova has been observed in NGC 550: SN 1961Q (type unknown, mag. 17.2).[7]
New General Catalogue 500 to 999 | |
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