Saturday, June 3, 2023

Messier 13 - Great Globular Cluster in Hercules

 



I first imaged M13 in 2013 and it was my first serious attempt at astrophotography.  You can see that image and post here.  Ten years later, some better equipment, a lot of new skills and it's a whole different view.  Some interesting facts about M13:
*  First observed by Edmond Halley in 1714
*  Consists of about 1 million stars
*  It's about 26,000 light years from Earth
*  It's visible without aid under dark skies with good vision

Photo Details

May 27, 2023
Celestron 7" Mak-Cas
SBIG STF-8300C Camera
10 subframes at 5 minutes/frame
Total Exposure Time = 50 minutes
Image Acquisition in CCDOps
Image Stacking in Deep Sky Stacker
Image Processing in Photoshop

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