| 03.04.2009 Saturn image shot by M. Grünanger and A. Kreutzer with webcam Philips ToUcam Pro through the Alvan Clark refractor of the University of Vienna, D=300mm, 1:16.6/f=5000mm extendet to 10000mm with a Barlow lens, image scale 0.12" per pixel. look the Moons Dione (above) and Thetys (below) video |
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