Globular Star Cluster M-19 ( NGC 6273)

Globular Cluster, M-19

This image was taken with an SBIG ST-6 CCD camera and Kopernik's Optical Guidance Systems 20 inch Ritchey Chretien Cassegrain. The 8 minute exposure was made with a custom-made focal reducing lens, which cuts the scope down to F/4.9. The field of view is about 9x12.5 arc minutes and the resolution is about 2.3 arc seconds per pixel.

Description of M-19 in The Deep Sky Field Guide to Uranometria 2000: