Ghost of Cassiopeia IC 63 and IC 59 (Anthony Quintile)

Ghost of Cassiopeia IC 63 and IC 59

I struggled a bit with processing this one. The star field is overwhelming and the object is very faint with an OSC camera, even with over 34 hours of exposures.

I'll probably revisit the processing on this at some point, but I think this is passable for now.

C

Description: Corrected star mask artifacts in diffraction spikes

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D

Description: Uncropped

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E

Description: Practicing with deconvolution on some images I processed before I knew how to use deconvolution.

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F

Description: Deconvoluted, no crop.

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G

Title: Full reprocess from old integration

Description: I really wanted to apply BlurXTerminator to this older data because the nebulae have a lot of small details. I cannot stress enough how great Russell Croman's tools are in eaking out the best from any data.

The star Gamma Cass is a frustrating part of the processing in this image! Using StarX to remove the stars still left substantial diffraction spikes with a dark hole in the middle in the starless image. Reducing the stars and screening them back in then left a dark donut around Gamma Cass between the bright star and the diffraction spikes. I ended up using three different concentric masks, Histogram Transformation, Curves Transformation and some convolution to finesse this mess into a nice bright halo and fill in the donut-gap. I think the result is pretty clean even though there was a ton of sausage making involved to get there.

Photoshop was used only for some slight Color Noise reduction to help some chromatic aberration that was amplified in certain colored stars as a side effect of BlurX, and to color balance the background a bit in Levels. I really need to learn how to apply Background Neutralization better. It doesn't work the way I think it does, so I really need to bear down on some tutorials about that and save some future trips to Photoshop and back.

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H

Title: Full reprocess from old integration, cropped

Description: Cropped version to highlight detail and faint dust.

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Status	Advanced success
Started	...
Astrometry.net job	5327186
PixInsight job	R753Y0GH9ZPBCUE01ZZN7K8RKXW07GV7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h59m16s.40
RA (top/left)	00h53m41s.41
RA (top/right)	01h03m29s.54
RA (bottom/right)	01h04m57s.89
RA (bottom/left)	00h54m55s.22

Dec (center)	+60°57′19″.9
Dec (top/left)	+60°40′13″.10
Dec (top/right)	+60°25′34″.5
Dec (bottom/right)	+61°13′32″.1
Dec (bottom/left)	+61°28′32″.2

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