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Robert Chozick | all galleries >> Galleries >> Deep Sky Images > M 13 Globular Cluster in Hercules
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11-Aug-2025

M 13 Globular Cluster in Hercules

Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster of about 300,000 stars in the constellation of Hercules. (Wikipedia)

Paducah Skies Observatory is a private observatory SW of Paducah, TX. It sits on 45 acres of native Texas grasslands and mesquite trees. The skies are 21.99 on the light pollution scale (almost Bortle 1).

AG Optical 10 inch iDK
ZWO ASI6200MC Pro CMOS One Shot Color Camera
Baader Vario Finder mounted as Guidescope
ZWO ASI220MM Guide Camara
Astro Physics 1200 GTO mount

OSC 62 2 min exposures (100 gain/30 offset)
OSC 61 1 min exposures (100 gain/30 offset) (for area in middle of cluster)
OSC 48 30 sec exposures (100 gain/30 offset) (for core of cluster)

Guided with PHD 2
Captured with The SkyX
Processed in PixInsight and Photoshop full exif


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