Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard, Michael Gehrisch
M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard
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M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard

Getting plate-solving status, please wait...
M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard, Michael Gehrisch
M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard
Powered byPixInsight

M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard

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Description

M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard

366 subs @ 30secs for 183 minutes of integration.
230 of which mistakenly shot at iso1600 insted of 800, so no matching darks, and quite noisy.

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Sky plot

Sky plot

Histogram

M51 with Sony A7RIII + Canon 600/4L + SWSAGTI from Bortle 6 Backyard, Michael Gehrisch