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Messier 101 - The Pinwheel Galaxy
Face-on spiral galaxy in the constellation Ursa Major.  A colossus among galaxies, 170,000 light-years across (Milky Way is 105,700), with a trillion stars. Distance - approx. 25 million light-years from Earth.

Messier 101 - The Pinwheel Galaxy

Face-on spiral galaxy in the constellation Ursa Major. A colossus among galaxies, 170,000 light-years across (Milky Way is 105,700), with a trillion stars. Distance - approx. 25 million light-years from Earth.




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File information
Filename:M101-201704.jpg
Album name:27telp / Galaxies
Location and Date:OCA site near Anza, CA, USA - March 28 - April 1, 2017
Equipment:William Optics FLT-132 scope @f/7, QSI-583wsg CCD Camera, Astro-Physics 1200 GTO mount, Borg 50mm guide scope, Starlight Xpress Lodestar guide camera
Settings:Luminance - 18 exposures @ 10 minutes each, bin 1x1; Red, Green and Blue - all 18 @ 10 minutes each, bin 2x2
Notes:Captured with MaxIm DL 5.12, processed with CCDStack2 and Adobe Photoshop CS4
Filesize:398 KiB
Date added:Jun 19, 2019
Dimensions:2048 x 1561 pixels
Displayed:13 times
URL:http://www.slithergadee.net/coppergallery/displayimage.php?pid=52
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