Time lapse of #Saturn system (including seven moons) reveals retrograde motion against starry backdrop of Milky Way. Covers three hours of real time. 54 x 400 x 0.5 sec unfiltered mono in Celestron 8" + ADC at f/10. pic.twitter.com/LYlURH2a31
— Christian Fröschlin (@chrfrde) July 8, 2018
via Twitter https://twitter.com/chrfrde
July 09, 2018 at 03:36AM
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