Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457
M101 -- Pinwheel Galaxy, Greg Allegretti
M101 -- Pinwheel Galaxy
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M101 -- Pinwheel Galaxy

M101 -- Pinwheel Galaxy, Greg Allegretti
M101 -- Pinwheel Galaxy
Powered byPixInsight

M101 -- Pinwheel Galaxy

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Description

The irregular but tightly wound spiral arms of this galaxy contain large populations of young stars and many star-forming regions. This large galaxy is seventy percent larger than our own Milky Way.

M101 lies 20 million light years distant beyond our Milky Way.

This image was captured under high desert skies near Santa Fe, New Mexico, USA with a telescope of 12" aperture at f/8 and an electrically-cooled CCD camera.

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M101 -- Pinwheel Galaxy, Greg Allegretti