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Bob P | all galleries >> Galleries >> Sun > Sunspots UD: 20120511 UT: 15:14
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Sunspots UD: 20120511 UT: 15:14

Details:
UD: 20120511, UT: 15:14, 6” f5 Newtonian reflector, 3x Televue Powermate, Imaging Source DMK31AF04 camera, Baader AstroSolar photographic density film, green filter, Exposure 1/1241 sec, 15 fps, camera gain 347, processed using AviStack (stack of 1 frame at each align point from video of 234 frames), PS CS5 (USM .8 pixel at 30%, Levels used to set black and white points to just at clipping point and mid range slider set to .9)


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