NGC 4203 SDSS image of NGC 4203. Observation data (J2000 epoch) Constellation Coma Berenices Right ascension 12h 15m 05.0s[1] Declination +33° 11′ 50″[1] Redshift 0.003620[2] Helio radial velocity 1,083[3] km/s Galactocentric velocity 1,093[3] km/s Distance 49.84 ± 0.46 Mly (15.28 ± 0.14 Mpc)[3] Group or cluster Coma I Apparent magnitude (V) 11.99[4] Apparent magnitude (B) 12.98[4] Characteristics Type SAB0−[5] Apparent size (V) 2.467′ × 2.319′[6] Other designations 2MASX J12150502+3311500, LEDA 39158, UGC 7256, UZC J121505.0+331152, Z 187-29 .[7]