Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5461  ·  NGC 5471  ·  NGC 5477
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Messier 101 with added Ha, Brock Johnston
Messier 101 with added Ha
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Messier 101 with added Ha

Getting plate-solving status, please wait...
Messier 101 with added Ha, Brock Johnston
Messier 101 with added Ha
Powered byPixInsight

Messier 101 with added Ha

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Description

I wanted to emphasize the Ha from the numerous star forming regions in M101, so I gathered some images using my NBZ filter and extraced the red channel & aded this to earlier unfiltered data.

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Messier 101 with added Ha, Brock Johnston