IC 2118 - Witch Head Nebula (Greg Mason)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: 65 Eri) · 65 psi Eri · IC 2118 · IC 398 · LBN 959 · LBN 968 · LBN 975 · NGC 1720 · NGC 1726 · NGC 1752 · NGC 1779 · NGC 1797 · NGC 1799 · NGC 1909 · PK205-26.1 · The star Kursi al Jauzah I (ψ Eri · Witch Head nebula · the Witch Head Nebula

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IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

Powered byPixInsight

IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

Short run. Still trying to figure out this OSC setup. Hopefully, I can get out and add some data.

PixInsight Workflow

Weighted Batch Pre-Processing:

Post-Processing:

DynamicCrop
DynamicBackgroundExtraction
BackgroundNeutralization
SpectrophotometricColorCalibration
TGVDenoise
MultiScaleMedianTransform
Starnet2 to create RGB and rename starless, also create star mask and rename stars
ArcsinhStretch stars
ArcsinhStretch starless
Clone starless
PixelMath to adjust starless_clone (1-(1-$T)*(1-$T) )
HistogramTransformation on starless_clone to increase contrast
PixleMath to blend starless_clone with starless RGB (F=0.4; (1-(1-$T)*(1-s)*F)+($T*~F) )PixelMath - combine(stars, starless, op_screen())
CurvesTransformation to adjust saturation, as needed.

Original
B
Final
D

B

Title: Added previously excluded data, and eliminated clipping from first process.

Uploaded: ...

D

Title: Discovered BlurXterminator - Yeah a year behind the times.

Uploaded: ...

Texas Astronomy
ZWO ASI 2600MC PRO

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
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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
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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
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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	9254507
PixInsight job	DR6G5U2RWW40KWUVWP7Q2UVMR9V0JJH8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h03m10s.28
RA (top/left)	04h57m59s.13
RA (top/right)	05h08m23s.49
RA (bottom/right)	05h08m18s.41
RA (bottom/left)	04h57m59s.99

Dec (center)	-07°59′30″.1
Dec (top/left)	-09°57′08″.0
Dec (top/right)	-09°56′44″.6
Dec (bottom/right)	-06°01′33″.0
Dec (bottom/left)	-06°01′58″.2

Image Index:

Contribution Index (beta):

IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

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Image Index:

Contribution Index (beta):

IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

IC 2118 - Witch Head Nebula

Revision title: Discovered BlurXterminator - Yeah a year behind the times.

Equipment

Acquisition details

Description

Comments

Revisions

B

D

Sky plot

Histogram

In these public groups

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