Heinrich d'Arrest discovered NGC 5132 on 8 Apr 1866. His single position is just off the north side of UGC 8428 = PGC 46868.

400/500mm - 17.5" (5/23/98): faint, fairly small, elongated 4:3 SW-NE, 0.9'x0.6', very weak even concentration but no visible core. Forms an equilateral triangle with two mag 13 stars 2.2' E and 2.5' NNE. NGC 5137 lies 5.8' ESE.

Notes by Steve Gottlieb