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Cloudy Nights Telescope Forum
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Hawkeye Observatory
Astrophotography by Robert Gendler
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Adam Block - Caelum Observatory
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Starizona
BackyardEOS
Saguaro Astronomy Club
Gabor Toth Astrophotography
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Astronomy Magazine
12 Dimensional String - field of view calculator
Astronomy Picture of the Day
The Discovery Channel Telescope
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Uncle Rod's Astro Blog
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Lost Pleiad Observatory
Joe Bergeron Space Art
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Astrophotogallery
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Hunter Wilson Astrophotography
Precise Parts - Custom Adapters for Astronomy