Messier 75 (M75 or NGC 6864) is a compact (class I) globular cluster found in the constellation Sagittarius. It is about 67,500 light years away and has an apparent visual magnitude of 8.5.
Tech Specs: This image is composed of 32 x 15 second images (8-minutes total) at ISO 3200 with 5 x 15 second dark frames and 5 x 1/4000 second bias frames. Equipment: Meade LX90 12” telescope and Canon 6D camera mounted on a Celestron CGEM-DX mount, unguided. Software: DeepSkyStacker, ImagesPlus, and Adobe Lightroom. Imaging was done on September 1, 2016. Location: Weatherly, Pennsylvania.