Home Image Gallery Clusters Galaxies Lunar Nebulae Solar System Sun
Date/Location December 21 & 23, 2025, Horseshoe Bay, Texas
Camera and Settings SBIG ST-4000XCM CCD Camera -10°C
Telescope Askar 71mm f/6.9 Petzval refractor
Mount Orion Atlas
Exposure 210 minutes (21 x 10 min)
Processing CCDOpts, Image Plus 6.5, Photoshop CS5
Other NGC672 mag. 10.80, IC1727 mag. 11.5, NGC684 mag. 12.3, NGC670 mag. 12.6 and Collinder 21 mag. 8.2. All in the constellation Triangulum.
NGC672 and Collinder 21
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