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: 25 hours of LHaRGB from Bortle 5/6 skies, Alex Pinkin
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M101: 25 hours of LHaRGB from Bortle 5/6 skies

M101: 25 hours of LHaRGB from Bortle 5/6 skies, Alex Pinkin
Powered byPixInsight

M101: 25 hours of LHaRGB from Bortle 5/6 skies

Equipment

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Description

25 hours of LHaRGB data collected over 7 nights in Feb/Mar 2019 from Bortle 6 skies. TEC140FL and QHY16200A. Processing was a challenge since I had no flats due to tweaking the imaging train every night. This is a tough but fun target to process!

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Sky plot

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M101: 25 hours of LHaRGB from Bortle 5/6 skies, Alex Pinkin