Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
M101 – The Pinwheel Galaxy, KTAZ
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M101 – The Pinwheel Galaxy

M101 – The Pinwheel Galaxy, KTAZ
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M101 – The Pinwheel Galaxy

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Description

This giant spiral disk of stars, dust and gas is 170,000 light-years across — nearly twice the diameter of our galaxy, the Milky Way.

M101 is estimated to contain at least one trillion stars. The galaxy’s spiral arms are sprinkled with large regions of star-forming nebulas. These nebulas are areas of intense star formation within giant molecular hydrogen clouds. Brilliant, young clusters of hot, blue, newborn stars trace out the spiral arms.

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  • M101 – The Pinwheel Galaxy, KTAZ
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    M101 – The Pinwheel Galaxy, KTAZ
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Description: Stretching left a magenta artifact on some stars. Applied a color mask and desaturated the magenta hue on stars. I think it looks a bit more natural.

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M101 – The Pinwheel Galaxy, KTAZ