Sunspot AR 2529
Taken by Jack L. Metcalfe on April 14, 2016 @
Stanford, Kentucky
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Camera Used: NIKON CORPORATION NIKON D810
Exposure Time: 10/3200
Aperture: f/1.0
ISO: 64
Date Taken: 2016:04:14 12:00:41
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Details:
Sunspot AR 2529 imaged with a Telescope Engineering Company 140mm aperture f7 apochromatic refractor. I used a Baader white light solar filter, a Heliopan # 13 green filter & a Televue 2X Powermate giving a total optical system focal length of 1960mm. The camera was a Nikon D810 DSLR used at ISO 64 for the 1/320th second exposure.
Photographer's website:
No URL provided.
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