< PGC catalog Galaxy PGC 15664 PGC 15664 is a galaxy from the Principal Galaxies Catalogue (PGC). PGC #:PGC 15664Alt name:ESO 55-28Alt name 2:ESO-LV 550280Type:spiralSubtype:SbcDiameter:0.85RA (decimal format):4.622Dec (decimal format):-69.143