Object: NGC 5138 (*)
Open Cluster, type II2p, in Centaurus Right Ascension (2000.0): 13:27:16.0 (h:m:s) Declination (2000.0): -59:02:00 (deg:m:s) m_v: 7.6 (mag) Dimension: 8.00 (arcmin) Cross Identifications: OCL 902, ESO 132-SC7