Globular Cluster M13 in constellation Hercules is located at a distance of 22500 light years from Earth.
Details : Nikon D7500 on TLAPO 80/480 f/6 with total exposure of 21 minutes. Each picture : ISO1600 and 25s exposure time. Raw pictures and Darks are converted into DNG files and stacked using DeepSkyStacker. Final editing and crop in CS4.