IC63 in SHORGB (Marc Mantha)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 27 Cas) · 27 gam Cas · HD236578 · HD236592 · HD236612 · HD236630 · HD4978 · HD5015 · HD5031 · HD5071 · HD5149 · HD5211 · HD5233 · HD5342 · HD5408 · HD5409 · HD5410 · HD5429 · HD5459 · HD5501 · HD5513 · HD5552 · HD5595 · HD5649 · HD5702 · HD5747 · HD5777 · HD5787 · HD5797 · HD5851 · And 26 more.

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IC63 in SHORGB

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IC63 in SHORGB

I was planning to post this one for Halloween, but strict timelines and astrophotography don't go hand in hand 😅. This target was fainter than I thought, which really poses a challenge when imaging from the city. Nonetheless, I am satisfied with the results.

Located 550 light-years away in the constellation Cassiopeia, the gas of IC 63 is ionized by the blue giant star Gamma Cassiopeiae. This stars emits as much energy as 34 000 suns and ionizes the Hydrogen in the surroundings. The blue region is a reflection of the light off of the nebula's dust.

To make the blue reflection show, I had to combine broadband data to the narrowband. When working with Even with 6.5 hrs of narrowband Oiii data, it was barely visible. Mixing in 2h of Blue broadband data really did the trick.

Honestly, for anyone trying to image this target, I would not bother using an Oiii filter at all, just stick with a standard Blue. I also replace the Red channel with my Ha channel, but kept the stars full RGB.

I hope that you enjoy this image! Comments and feedback are always appreciated 😀.

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Status	Advanced success
Started	...
Astrometry.net job	6568180
PixInsight job	H0HJ4791IO3NYT1R2VU0VOBMBP9M1AX1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h00m24s.94
RA (top/left)	00h53m51s.21
RA (top/right)	01h08m49s.14
RA (bottom/right)	01h07m37s.34
RA (bottom/left)	00h51m16s.25

Dec (center)	+61°02′49″.5
Dec (top/left)	+59°32′42″.6
Dec (top/right)	+59°41′29″.8
Dec (bottom/right)	+62°31′35″.3
Dec (bottom/left)	+62°22′01″.7

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IC63 in SHORGB

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