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Enhanced Uranus showing Polar Cap and possible Aurora

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AR 652 July 26, 2004

Started by SunSpot51, 07/26/2004 06:16PM
Posted 07/26/2004 06:16PM Opening Post
I had oddly decent seeing today and got these two images of AR 652. When I first looked through the scope, the sun was not clear and the spots did not focus. I rotated the solar filter about 90 degrees and lo and behold, I had nice sharp images. Not wanting to miss an opportunity I got the images. I noticed something interesting in the image. If you look at the third largest spot, the one at about 7 oclock from the main group, you see a very bright "line". At first I thought it a processing reminant, but when I processed the image shot with the 2.5x powermate, it was still there. Perhaps a white light flare?? I have seen one many years ago when I was the ALPO Solar Section Recorder (verified by Rik Hill and his wife). What ever it is, it sure is interesting.

Shot at 1512UT (prime) and 1525UT with the Orion ED80. First at F/7.5, the second with the 2.5x powermate. Toucam 740, 60 second images, stacked 432 and 456 images respectively.

http://glory.gc.maricopa.edu/~pmaxson/Solar/Sun0726clprime-2-652.jpg

http://glory.gc.maricopa.edu/~pmaxson/Solar/Sun0726cl25x-5-652.jpg

Clear skies!!
Paul Maxson
http://glory.gc.maricopa.edu/~pmaxson/

Paul Maxson
Moderator - CCD Imaging and Processing/Solar System
Celestron C14, Mewlon 250, Orion EON120, ASI120MM, Flea3.
http://www.sunspot51.com