Home Image Gallery Clusters Galaxies Lunar Nebulae Solar System Sun
Date/Location February 5, 2021 Jubilee College State Park, Illinois
Camera and Settings SBIG ST-4000XCM CCD camera -30°C
Telescope William Optics 132 mm f/7 apochromatic refractor with a Televue 0.8x FF/FR to yield f/5.6
Mount Paramount MyT
Exposure 120 min (12 x10 min)
Processing CCDOpts, Image Plus 6.5, Photoshop CS6
Other Constellation Ursa Major; M81 - mag. 6.84, size 21.4 x 11.2 arcmin; M82 - mag. 8.07, size 8.5 x 3.9 arcmin. Note faint galaxy NGC3077 at bottom left - mag. 9.85, size 5.4 x 4.4
M81 and M82
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