NGC 7790

Combination of 5, 150 second images. Modified Canon Digital Rebel DSLR camera.
5" f/5 refractor at prime focus.

NGC 7790 is the brighter of a pair of open clusters visible in the same low-magnification field. The other cluster is NGC 7788, visible in the upper right of NGC 7790 in the image above. A third, smaller cluster, H21, is visible to the upper right of the image.