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| 15.03.2007 Saturn image shot by Michael Grünanger with webcam Philips ToUcam Pro through the Alvan Clark refractor of the University of Vienna. The final picture is a sum of 600 of the best images from two series of 1000 images each which were stacked with Registax and processed with Wavelet filtering. Alvan Clark refractor, D=300mm, 1:16.6/f=5000mm extendet to 10000mm with a Barlow lens, image scale 0.12" per pixel. |
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