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That’s interesting...Thanks for sharing.
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On Feb 12, 2021, at 5:46 PM, Dan Crowson <dcrowson@...> wrote:
NGC 3906 (UGC 6797, PGC 36953 and others) is an odd barred spiral located approximately 64.6 million light-years away in Ursa Major. A 2015 paper here (https://arxiv.org/pdf/1506.05153.pdf) talks about theories for the offset of the bar.
Luminance – 27x600s – 270 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
390 minutes total exposure – 6 hours 30 minutes
Imaged January 10th and February 10th and 11th, 2021 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/50937457137/sizes/l/
Dan Crowson dcrowson@...
Dardenne Prairie MO http://www.crowson.com