NGC 659 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel in 1783.[2]
NGC 659 | |
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Observation data (J2000.0 epoch) | |
Constellation | Cassiopeia |
Right ascension | 1h 44m 4s[1] |
Declination | +60° 40′[1] |
Distance | 8.2 kly[2] |
Apparent magnitude (V) | 7.9[1] |
Apparent dimensions (V) | 6.0′[3] |
Physical characteristics | |
Mass | 105 to 106 M☉ |
Radius | 7.5[2] |
Estimated age | 20my[2] |
Other designations | NGC 659, Cr 19, OCL 332 |
See also: Open cluster, List of open clusters |
New General Catalogue 500 to 999 | |
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Constellation of Cassiopeia | |||||||||||||
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