R.J. Mitchell discovered NGC 2605 on 11 Mar 1858 (along with NGC 2603) using Lord Rosse's 72". It is labeled on the sketch as Beta (PGC 2424112) and simply noted as vvF. RNGC classifies the number as nonexistent and the galaxy is not catalogued in either CGCG or MCG. See identification notes for NGC 2602 and 2603.

400/500mm - 18" (3/13/10): not found at 275x.

600/800mm - 24" (3/13/10): at 320x appeared very faint, very small, round, 12" diameter. Located 2.4' SW of NGC 2602 and 4th brightest of 5 galaxies. NGC 2606, the brightest member, lies 6.3' E.

Notes by Steve Gottlieb