Messier 51, Whirlpool galaxy and friend. HaLRGB (Iñigo Gamarra)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · IC 4278 · M 51 · NGC 5169 · NGC 5173 · NGC 5194 · NGC 5195 · NGC 5198 · NGC 5229 · Whirlpool Galaxy

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Messier 51, Whirlpool galaxy and friend. HaLRGB

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Messier 51, Whirlpool galaxy and friend. HaLRGB

Hello everyone, folks.

Without a doubt, broadband images are another story, in recent months I have tried several galaxies. but it just doesn't work, the calibration was wrong and I couldn't remove the sensor marks or the vignetting. Here I have to thank two good friends: Michael Feigenbaum and Tim Hutchison, who have given me good advice to carry out this task correctly. I have to admit that it went very fast with the processing in NB and I still had to learn, more basic.

Obviously the telescope (WO Megrez 80mm) is not the best for this object, but my 8" has a serious fault, the distance between the primary and secondary mirror is not correct and the secondary mirror bracket focuses on the image. I know how to solve it and soon I will have it ready.

While I have developed a new workflow for broadband images that I am very satisfied with, although I still have to improve some things like the implementation of H-alpha in the RGB image, and some other things.

If you look at the image in full resolution there are still a lot of faults.

Greetings to all, and take care.

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Status	Advanced success
Started	...
Astrometry.net job	3478004
PixInsight job	4DZ3H1Y29TUS3YP8N3L07R0E6PB3GEFQ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h30m54s.63
RA (top/left)	13h25m58s.38
RA (top/right)	13h26m14s.72
RA (bottom/right)	13h35m40s.17
RA (bottom/left)	13h35m46s.92

Dec (center)	+47°06′19″.2
Dec (top/left)	+48°10′55″.2
Dec (top/right)	+46°00′22″.9
Dec (bottom/right)	+46°01′01″.1
Dec (bottom/left)	+48°11′34″.9

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Messier 51, Whirlpool galaxy and friend. HaLRGB

Messier 51, Whirlpool galaxy and friend. HaLRGB

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Messier 51, Whirlpool galaxy and friend. HaLRGB

Messier 51, Whirlpool galaxy and friend. HaLRGB

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