Home Image Gallery Clusters Galaxies Lunar Nebulae Solar System Sun
Date/Location January 13, 2024 Bryan, TX
Camera and Settings SBIG ST-4000XCM -20°C
Telescope William Optics 132mm f/7 Apo with a 1x field flattener
Mount Celestron CGEM II
Exposure 40 minutes (4 x 10 min) through an Orion Skyglow Filter (H-alpha, beta and O-III)
Processing CCDOpts, Images Plus 6.5, Photoshop CS5
Other Sparse open cluster in Cassiopeia. Overall mag. 8.2. Three arcmin in diameter.
NGC637
IScroll down to bottom of image for a detailed description.