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2010-10-15 - Camera Mount for Night Sky Photography
thumbs/DSC_2332.jpg
The stepper motor, the screw it turns and the swiveled nut in the upper, hinged, board (on which the camera is mounted). 		thumbs/DSC_2333_DSC_2290.jpg
Four-minute exposure taken without running the stepper motor. The stars are arcs. 		thumbs/DSC_2334_DSC_2289.jpg
Four-minute exposure taken when running the stepper motor. The stars are quite sharp dots.


© Per Magnusson
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