NGC 659

NGC 659 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel in 1783.^[2]

NGC 659
Observation data (J2000.0 epoch)
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
Associations
Constellation	Cassiopeia
See also: Open cluster, List of open clusters