sunspots
Taken by Francois Rouviere on October 25, 2013 @
Mougins, France
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: Unavailable
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Details:
October 25, 2013, 9h25-28 U.T. AR1875 (a 2-picture mosaic) and AR1877. North is up.
210 mm Newton telescope with uncoated primary mirror, Baader K-line filter, x5 Barlow lens (equivalent focal length 6.4 m), IDS 3240 camera (0"16/pixel).
Note the distorted granulation in the vicinity of big sunspots.
Photographer's website:
No URL provided.
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