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Robert Chozick | all galleries >> Galleries >> Deep Sky Images > M 13 Great Globular Cluster in Hercules
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06-May-2023

M 13 Great Globular Cluster in Hercules

Paducah Skies Observatory

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 ASI2600MC Pro Color CMOS Camera
Baader Vario Finder mounted as Guidescope
ZWO ASI178MM Guide Camara
Astro Physics 900 GTO mount

21 exp 2 min each (100 gain/20 offset)
22 exp 30 sec each (100 gain/20 offset) (for core)
8 exp 15 sec each (100 gain/20 offset) (for inner core)

Guided with PHD-2
Captured with The Sky X
Pre-processed and Stacked in Nebulosity 4
Post Processed in Pixinsight and Photoshop full exif


other sizes: small medium large original auto