Globular Cluster M13 in Hercules

 Posted: Mar 18th, 2026
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NGC
IC
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Technical Info
Telescope/Lens: ТАЛ-2 150/1200
Camera: sony A7s
Mount: EQ5
Software: Deepskystacker, GraXpert
Exposure:
80 x 20" ISO/Gain: 5000
Green, Bortle 4 zone:
 Nizovskaya Lenoblast, Russia
 Sep 22nd, 2023
27 m
22
Resolution: 2383x1616 px
Scale: 6409 KB
Globular cluster M13 in Hercules. The cluster was discovered in 1714, and in 1974, the famous Arecibo Message was sent toward it. It is one of the brightest and most well-studied clusters in the Galaxy. Located 25,000 light-years from Earth.
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