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Alan Smallbone | all galleries >> Galleries >> Astrophotography > Antares and Rho Ophiuchi
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June 3-4, 2005 Alan Smallbone

Antares and Rho Ophiuchi

Anza, CA

This is a shot of the Antares region. Antares is the big yellow star on the bottom, in the bottom right corner is M4, a globular cluster. In the middle on the right hand edge is Rho Ophiuchi a triple star, the darker streaks across the image are dark nebula, dark gas that is blocking the light from the stars behind it. This is 17 - 5 minute images at ISO800, raw files linear converted, dark frame subtracted and processed in ImagesPlus. Taken through a Borg 45mm ED with a Borg 0.85x reducer/flattener, giving a focal length of 252mm at f5.6.


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