Jupiter on 1960 May 27/28 at 00:50-01:10 EDT (04:50-05:10 UT) as sketched by K.R. Brasch. C.M.(1) 346º, C.M.(2) 150º. 8" reflector at 165x. Seeing 2-3. Transparency 2-3. Very dark object on eastern edge of N.E. belt disappeared after about five minutes: shadow of satellite I.