Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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M51 LHaRGB - The Whirlpool Galaxy, andrea tasselli
M51 LHaRGB - The Whirlpool Galaxy
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M51 LHaRGB - The Whirlpool Galaxy

Getting plate-solving status, please wait...
M51 LHaRGB - The Whirlpool Galaxy, andrea tasselli
M51 LHaRGB - The Whirlpool Galaxy
Powered byPixInsight

M51 LHaRGB - The Whirlpool Galaxy

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Description

M51 is a Grand Galaxy by any definition of the meaning and, I would opine, THE Grand Galaxy tout-court. As such I did it time and time again, in 2003, 2004 and 2005. Then I paused thinking all was fine with my latest iteration and then it was no longer fine so I upped the scale in 201, added H-alpha and here is the result. I could probably sit prettily on this one a little way longer or until I move to a finer place with HUGE telescope that would allow me to do real HIGH RES on this one. I expect this ain't gonna happen any time soon or ever so this one stays.

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