M51, RGB + Halpha revisited before the nights get too short (GalacticRAVE)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · IC 4277 · IC 4278 · M 51 · NGC 5194 · NGC 5195 · Whirlpool Galaxy

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M51, RGB + Halpha revisited before the nights get too short

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M51, RGB + Halpha revisited before the nights get too short

This is the partner image to the one posted earlier but combined with Halpha extracted from a dual band filter. I got a few hours of fresh M51 data, after some fine tuning of my equipment/workflow (still to be improved) and combined it with the better part of some data taken earlier this year (weather in north-eastern Germany was not really cooperating this year, in particular not with galaxy lovers). Also made some advances in image processing. The combined image is created with PI NBRGBCombine on the linear data, and then the RGB blended with the Ha-modified one using the starless Ha image as a mask.

Original
Final
B

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Charles Messier's catalogue
Galaxies

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Status	Advanced success
Started	...
Astrometry.net job	6792898
PixInsight job	BUXXTYBLQQIPPLT7F9421RCJSTOMFRY8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h29m51s.910
RA (top/left)	13h31m43s.290
RA (top/right)	13h31m26s.345
RA (bottom/right)	13h27m57s.481
RA (bottom/left)	13h28m17s.689

Dec (center)	+47°13′09″.34
Dec (top/left)	+46°47′16″.45
Dec (top/right)	+47°41′04″.77
Dec (bottom/right)	+47°38′56″.16
Dec (bottom/left)	+46°45′22″.28

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M51, RGB + Halpha revisited before the nights get too short

M51, RGB + Halpha revisited before the nights get too short

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M51, RGB + Halpha revisited before the nights get too short

M51, RGB + Halpha revisited before the nights get too short

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