Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5461  ·  NGC 5473  ·  NGC 5474  ·  NGC 5485
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M 101, Stefan Böckler
M 101
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M 101

Getting plate-solving status, please wait...
M 101, Stefan Böckler
M 101
Powered byPixInsight

M 101

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Description

The image contains twice the time of Ha compared to broadband. Usually I'd prefer it to be the opposite but of course clear sky coincides with bright moon, so it is what it is :-) Accordingly there's a big emphasis on the HII regions.

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