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Arrowhead Astronomical Society of Duluth
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Tom Nelson
Taken
2-May-10
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216
120
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150
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Photo Info
Dimensions
1303 x 1243
Original file size
792 KB
Image type
JPEG
Color space
Uncalibrated
Date modified
2-May-10 19:52
Sunspots, 3/28/2010
TV 85 600mm f/7 with solar filter, Alt-Az mount with no tracking, modified Canon EOS 50D, ISO 200, 1/1000s, cropped and sharpened in CS4
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