Jupiter on Apr 18/19 at 04:21+13m local time (09:21 UT) as sketched by Jim Low. C.M.(1) 103º, C.M.(2) 203º. 4" reflector at 130x. Seeing 2. Transparency 4. North is down. Seeing was better than 2 for a few seconds at a time.
Jupiter on 1960 April 7/8 at 04:24+7m EST (09:24 UT) as sketched by Jim Low. C.M.(1) 266º, C.M.(2) 350º. 4" reflector at 167x. Seeing 6. Transparency 5. North is down, east to the right. The black spot in the north-west is probably the shadow of satellite III (Ganymede).