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Old 12-03-2013, 02:18 PM
John W (John Wilkinson)
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Sunspot groups developing

Some nice sunspot groups developing at the moment (March 12).
The image shown is a single exposure one taken thru a William Optics 81 mm scope with Baader herschel wedge (operating at 540 nm). Canon 550d camera and 1/320 sec and iso200. The largest spot is AR11692, the group above it is AR11696 which just appeared today.
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Old 12-03-2013, 02:33 PM
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h0ughy (David)
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nice shot - i noticed that yesterday afternoon late when testing out the PST. for a minute i thought the big black dot was fly poo and tried to clean the eyepiece and filter of the scope
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Old 12-03-2013, 05:10 PM
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Merlin66 (Ken)
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Certainly has the making of a VERY interesting set of active areas.....both in White light and Ha.....
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Old 13-03-2013, 09:16 AM
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asimov (John)
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Nice work John.
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