Today a wonderfull night, moonlight, no clouds, warm ... taking some pictures with 550D and a 2800mm tele
Bright moonshine is not always an advantage to make night pictures - especially when Jupiter stands near horizon ...
Kallisto, Ganymed, Io and Europa flying round Jupiter
NASA makes better pictures
Red point on Jupiter = whirl storm, existing since > 300 years, dimensions 24.000 km x 12.000 km ... earth diameter ~ 12.700 km