Pinwheel, M101 vs ASI224MC, ChrisPeace

Pinwheel, M101 vs ASI224MC

Pinwheel, M101 vs ASI224MC, ChrisPeace

Pinwheel, M101 vs ASI224MC

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Description

Pinwheel Galaxy. The giant spiral disk of stars, dust and gas is 25,000 light years away and 170,000 light-years across — nearly twice the diameter of our galaxy, the Milky Way. Designated M101, it 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.

Though it is a relatively large target it is quite dim in magnitude and required a significant effort to get detail into its core. I took 31hrs of 30sec exposures which I then thinned down to the best 17hrs of data. Taken with ASI224MC uncooled camera, APM107/700 scope.

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Pinwheel, M101 vs ASI224MC, ChrisPeace