600/800mm - 24" (8/29/19): at 375x; moderately bright, fairly small, round, ~35" diameter, sharply concentration with a small bright core and much fainter halo. A faint mag 15.3 star is superimposed at the north edge of the halo [15" N of center]. Located 12' ENE of mag 7.7 HD 156166. UGC 10779, which has a similar redshift, lies 8' S.