Object: NGC 644 (*)
Galaxy, type SBc, in Phoenix
Right Ascension (2000.0): 01:38:52.8 (h:m:s)
Declination (2000.0): -42:35:08 (deg:m:s)
m_b: 14.8 (mag) , m_v: 14.1 (mag) , SB: 13.7 (mag per square arcmin)
Dimension: 1.30 x 0.6 (arcmin) , PA: 155
Cross Identifications: ESO 244-43, MCG -7-4-27, FAIR 706, PGC 6097, AM 0136-425, IRAS01367-4250