Elevation 800 m, telescope D = 0.5 m, F = 2 m. Sky 21.60 mag/sq arcsec, seeing 1 arcsec. Hickson 66, galaxy group, UMa. MCG+10-19-103 and the unresolved main group are seen in a 13 mm ocular. In 5.5 mm, component B is cleanly resolved from A, and an unresolved glow in the position of C and D is seen. Repeated appearance of resolved C and D in the glow is uncertain. 3.5 mm did not improve the view.