M101 is a beautiful Face-on Galaxy about 21 million light years away and 170,000 light years across. Its also home to 1 trillion stars and can be found in the constellation Ursa Major ( The Plough).
The image contains 8 galaxies including NGC 5474, the fuzzy galaxy near the bottom right of the image. Its the closest galaxy to the the Pinwheel galaxy and they have both been distorted by the gravitational forces between the two.
This wide field image is 2.5 degrees across and a full moon is about 0.5 degrees across.
The diagram below shows its position relative to the Plough.
The image _ ISO 1600 x 300 seconds 67 images stacked in Deep Sky Stacker.
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