Tiny sunspot 2570 et al.
Taken by Bernard Durand on August 2, 2016 @
The Alps, 1050 m height, France
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2016:08:02 14:35:18
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Details:
After some days in a row with a spotless Sun, four tiny spots appeared this morning in France. I couldnot spend this day without tempting to image them !
Refractor 8 inches @ f/D 32.
Thousands Oaks RG ND2.5 aperture filter.
Baader Continuum + IR blocking filters.
Basler aca 1920-155um @ 269 mean fps.
Video duration 18.6 seconds for 5000 frames.
Area of interest 1088x688.
Seeing was not very good: average 1.67 according to the Sun Scintillating Monitor.
Processing: AS!2 and Photoshop.
I am quite happy with the result :-)
Cheers,
Bernard.
Photographer's website:
http://www.astrofrenchy.com
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