The Ghost of Cassiopeia (IC 63) (mhtandy)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 27 gam Cas · HD236612 · HD5015 · HD5031 · HD5071 · HD5149 · HD5233 · HD5342 · HD5408 · HD5429 · HD5459 · HD5501 · HD5747 · HD5777 · HD5797 · HD5851 · HD5890 · HD6017 · HD6048 · HD6130 · HD6210 · HD6382 · IC 59 · IC 63 · LBN 620 · LBN 622 · LBN 623 · LBN 625 · Sh2-185 · The star Navi (γCas) · And 1 more.

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The Ghost of Cassiopeia (IC 63)

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The Ghost of Cassiopeia (IC 63)

This was the most challenging image I've taken yet - maybe more than I should have taken on at my experience level. But at least something to learn from - hopefully!
There were a couple of very strange artifacts that I had to use the Healing Brush to get rid of - probably to due the combination of the L-extreme filter and the bright star Gamma Cassiopeiae.

Original
C
Final
D

C

Description: Learning my equipment's limitations for faint objects - like the Ghost. In this version, I used less curve stretch to reduce the horizontal banding issues.

Uploaded: ...

D

Description: I thought I'd try going back to this one, this time after learning more processing techniques and using StarXTerminator to work on the nebula independent from the stars. The biggest challenge for this image was dealing with noise - for me, 5 min. exposures are just too long for this uncooled camera shooting very faint objects.

Uploaded: ...

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
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Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
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Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	5494727
PixInsight job	2OH3OGG7T997FGHWNEHJ5I71J7UCCE5L
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h59m37s.17
RA (top/left)	00h52m58s.32
RA (top/right)	00h52m23s.69
RA (bottom/right)	01h05m54s.71
RA (bottom/left)	01h07m09s.78

Dec (center)	+60°55′11″.4
Dec (top/left)	+61°44′15″.4
Dec (top/right)	+60°12′20″.1
Dec (bottom/right)	+60°05′06″.2
Dec (bottom/left)	+61°36′37″.0

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Contribution Index (beta):

The Ghost of Cassiopeia (IC 63)

The Ghost of Cassiopeia (IC 63)

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Image Index:

Contribution Index (beta):

The Ghost of Cassiopeia (IC 63)

The Ghost of Cassiopeia (IC 63)

Equipment

Acquisition details

Description

Comments

Revisions

C

D

Sky plot

Histogram

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