sunspots
Taken by James P Gardepe on October 23, 2013 @
Huntsville, AL, USA
Click photo for larger image
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2013:10:23 16:22:51
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Details:
Nikon D90 camera;
Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens;
Sigma 2x EX DG APO Teleconverter;
Thousand Oaks Optical Solar Filter;
Orion TeleTrack GoTo Altazimuth Telescope Mount
1/250” exposure, f/25, ISO 250,1520mm 35-mm equivalent focal length.
Four .tif images stacked using Registax 6 software - wavelets applied; Pre- and post-processing with Photoshop CS5.
Photographer's website:
No URL provided.
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