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| Oppositon of Mars 2007 Each image of Mars is a sum of 800 single pictures stacked with Registax and contrast enhanced by Wavelet filtering. All video sequences where taken with Philips ToUcam Pro on the Alvan Clark refractor of the University of Vienna, D=300mm, 1:16.6/f=5000mm, extended to f=10000mm with Barlow lens. The images were shot by Michael Grünanger at Dec. 18th 2007 at 9:18 PM UT, Jan. 8th 2008 at 9:13 PM UT and Jan. 23rd 2008 at 8:02 PM UT. |
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