Home Image Gallery Clusters Galaxies Lunar Nebulae Solar System Sun
Date/Location May 10, 2021 Jubilee College State Park, Illinois
Camera and Settings SBIG STF-8300C CCD camera -20°C
Telescope Askar 72mm f.5.6 Qunituplet Apo with a 0.7x focal reducer to yield f/3.9
Mount Celestron CGEM II
Exposure 35 min (7 x 5 min)
Processing CCDOpts, Image Plus 6.5, Photoshop CS6
Other Known as Collinder399, Brocchi's Cluster, and the Coathanger. Magnitude 3.6, 1.5° in diameter. Small cluster NGC6802, magnitude 8.8, 5 arcmin in diameter.
The Coathanger
Mouse over image to add labels. Scroll down to bottom of image for a detailed description.