M33 HaRGB (Rodd Dryfoos)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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M33 HaRGB

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M33 HaRGB

My goal for M33 was to do a bit better than my previous attempt, which had decent data, but it was over processed. This image contains no luminance and no Ha (I tried a synthetic L made from the RGB subs, but it had absolutely no effect)--I will prepare an HaLRGB for comparison as soon as I have the data. Conditions for the RGB shoot were horrendous for red and blue and decent for green. I almost did not process the data because FWHM values were so high, and signal strength in many subs was low due to smoke and high clouds. Then I figured what the heck, might as well see how it comes out. Not as sharp and defined as I would like, but better than I expected. A good high quality luminance will do the trick I think. I am a bit surprised at how distinct the Ha regions are without the use of an Ha filter. I did down-size a bit to keep the full resolution scale tenable for this data--I did not bin--just downsized a bit, so resolution was not lost. I hope to add Luminace and ha and post a full sized image when finished.

I added the Ha, about 12 hours of it. But I was careful not to overstate it. Next step.... luminance. The HaLRGB will get its own page providing it comes out decent

Final
Original
B
C

B

Description: HaRGBresample: Added Ha to the RGB

Uploaded: ...

C

Description: Blend: Next stop, Luminance!

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	3923348
PixInsight job	8JSKFMKPN6XW7CIG18L1QZ2UVT7KPBF0
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h34m00s.21
RA (top/left)	01h30m50s.75
RA (top/right)	01h37m23s.82
RA (bottom/right)	01h37m11s.89
RA (bottom/left)	01h30m34s.50

Dec (center)	+30°38′59″.9
Dec (top/left)	+30°04′55″.2
Dec (top/right)	+30°08′56″.3
Dec (bottom/right)	+31°12′46″.7
Dec (bottom/left)	+31°08′42″.10

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M33 HaRGB

M33 HaRGB

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M33 HaRGB

M33 HaRGB

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