Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  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, Colin McGill
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M101

M101, Colin McGill
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M101

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Description

A deep image of M101, using data collected through May and June this year, together with data from 2014.

Altogether, about 70 hours of data were collected, though only about 45 made it into the final image. I also have about 20 hours of Ha data which I'll add in when I have time.

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M101, Colin McGill