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Astrophotography Archive
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Half Moon
Posted on January 23, 2009 | No CommentsThis is a picture of the half moon from early in January 2009. This was taken with a Canon 10D through a Takahashi FS102 refractor at prime focus. -
5D Mark II Astrophotography Tests
Posted on January 18, 2009 | 1 CommentThere have been a lot of reports of the 5D's trouble with bright point lights. I recently updated to the new firmware (version 1.0.7) and took some test shots with... -
New Scans of Old Astrophotos
Posted on January 16, 2009 | No CommentsI recently had some of my old astrophoto slides scanned with a Noritsu slide scanner so I can put them into permanent storage and finally move into 100% digital photography.... -
M42 shot with a Canon 10D
Posted on December 29, 2008 | 5 CommentsIt's been at least three years since I've done any astrophotograpy but last night I lugged out the equipment and shot a few frames. I only made it out as... -
G11 Bearing Upgrade
Posted on February 17, 2002 | 3 CommentsThis is a tutorial on replacing the bearings on the Losmandy G11 telescope mount. This may or may not improve the tracking ability. It's kind of fun to do anyway.... -
Adding A Set Screw
Posted on February 16, 2002 | No CommentsI have always been irritated that most adapters and extension tubes only come with a single set screw. This not only feels insecure when holding expensive eyepieces, but also allows... -
Astrophotography Equipment
Posted on January 2, 2001 | No CommentsTakahashi FS102 Refractor This Apochromatic telescope provides very sharp images with no color fringed stars. When reduced to F/5.9 you get about 3 degrees of coverage in the sky. I... -
Combining LRGB Channels
Posted on January 2, 2001 | No CommentsMany astrophotographs are taken as multiple monochromatic photos that need to be combined into a color finished product later. Each photo editing package seems to have it's own method. This is a short review of what I have. -
Noise Reduction In Film Images
Posted on January 1, 2001 | No CommentsThe idea behind this method is that the low-light areas of the photograph need to be smoothed in order to remove grain artifacts while the bright stars and nebulosity should remain unchanged. To achieve this in Photoshop you need to construct a mask for the Gausian Blur filter.