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Old 11-07-2017, 01:36 PM
John W (John Wilkinson)
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Sunspot July 11 (+15th, 17th)

July 11. A fairly large sunspot is currently crossing the sun (AR 2665).
I managed to get 2 pics today. The yellow one is at 540 nm and the orange one at 656 nm (Ha). Both single exposures thru different telescopes using a Canon 550d. An extra pics has been added - this shows the sunspot as on 15th July (moved across the sun's surface) and July 17th (about to disappear).
Thanks for viewing.
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Last edited by John W; 17-07-2017 at 01:30 PM. Reason: updated
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Old 11-07-2017, 01:42 PM
PeterM
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Nice. Just had a look through my Aldi $99 cheapie solar scope, not as good as your image but worth a look. Thanks for posting.
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Old 12-07-2017, 11:41 AM
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GUS.K (Ivan)
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Nice captures John, some nice activity at the moment.
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Old 15-07-2017, 08:15 PM
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astronobob (Bob)
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Rippers, really like the 540 nm image
Great capturing there John ...
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