About this Object:
Messier 22 (also known as M22 or NGC 6656) is an elliptical globular cluster in the constellation Sagittarius, near the Galactic bulge region. It is one of the brightest globulars that is visible in the night sky. M22 is one of the nearer globular clusters to Earth at a distance of about 10,600 light-years away. It spans 32' on the sky which translates to a spatial diameter of 99 ± 9 light-years.


About this Photo:
Date(s): July 3, 2011
Location: From my driveway in Georgetown, Texas
Telescope: Celestron C9.25 @ F6.3
Mount: CGEM
Guiding: Orion StarShoot AutoGuider / Taurus Tracker III OAG
Camera: Canon 40D Modified
Filter: None
Exposure: 6 x 120s @ ISO1600 (12 Min total)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3; Noise Ninja; Noel Carboni's Tools;
Temperature(s): 85º F