Hickson 10 in Andromeda

HICKSON	NAME	SIZE (M)	MAG (V)	SB
10a	NGC 536	3.0X1.1	12.4	13.5
10b	NGC 529	2.4X2.1	12.1	13.8
10c	NGC 531	1.9X0.5	13.8	13.6
10d	NGC 542	1.0X0.2	14.7	12.9

Hickson 10 is one of the brighter Hickson groups. Hickson 10A (NGC 536) is moderately bright, slightly elongated WSW-ENE. A mag 13 star is involved at the N edge. Hickson 10B (NGC 529) located 8.5' W is also moderately bright, fairly small, with a bright core. Hickson 10C (NGC 531) is faint, fairly small, oval SW-NE, fairly small. A mag 12 star is just off the NE end 1.0' from center. Forms a 3' pair with Hickson 10D (N542) which is also faint, diffuse, slightly elongated. - Steve Gottlieb