Astrophotography Pages

Relative Apparent Sizes of Globular Clusters Compared

These are uncropped, full frame exposures taken through a 14.5 inch corrected Dahl-Kirkham telescope of 2465mm focal length. The taking camera was a SBIG STL11002 CCD camera. The plate scale is 0.75 a-s/px. Exposures are of 5 minute duration except where noted.

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