High resolution astrophotography image of Messier 13, also known as the Great Hercules Cluster, a bright globular cluster located in the constellation Hercules. The image shows hundreds of thousands of densely packed stars forming a roughly spherical shape, with a bright, concentrated core fading into a halo of individual stars. Captured in Nottinghamshire, UK under Bortle 6 skies using a Seestar S50 smart telescope. The dataset consists of 1,110 ten-second exposures, stacked and processed using Siril, GraXpert, and PixInsight. The final result reveals the intricate structure of the cluster, with a subtle range of star colours from cool red tones to hotter blue white stars, set against the blackness of space.
M13: The Great Hercules Cluster
Captured in UK with Seestar S50 ZWO
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