Elevation 550 m, telescope D = 508 mm, F = 2500 mm. Sky 21.1 mag/sq arcsec, seeing 4 arcsec. Hickson 52, galaxy group, Leo. Located to the W of a line between two stars of unequal brightness. Component A is immediately visible with a 13 mm ocular. B and C also seen at this magnification. All three galaxies are elongated approximately EW. D is not seen with 5.5 mm either, but seen vaguely with 8 mm (appears larger than on DSS).