SUNSPOTS AR2786, 2785, and 2790
Taken by Georg Klingersberger on November 30, 2020 @
Kobernaussen Austria
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2020:11:30 22:35:22
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Details:
Time:11.05-11.15 UT Telescope: Takahashi FSQ 106 ED 530mm f.5,0 Camera: Canon Eos 60Da Mount: Losmandy CG11 Exposure time: 40x 1/2500 sec.,20x 1/1600 sec. Processing: Fitswork and Photoshop CS4. I used black solarfilter Folie in front of the Teleskope Lens, and the DSLR in the monocrome Picture mode with filter green.The individual Pictures are severely underexposed; thus very short shutter times(1/2500) are the result with iso100, which in turn helps to freeze the air turbulence completely. Many thanks also to the excellent FSQ at aperture f.5,0 :-)
Photographer's website:
No URL provided.
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