NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation) (AnaTa)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD215286 · HD215588 · HD215835 · HD215907 · LBN 506 · LBN 511 · NGC 7380 · PK107-00.1 · Sh2-142 · Sh2-143

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NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

Powered byPixInsight

NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

Main image is SHO. Then there are HOO version and RGB annotation
Panel A: SHO
Panel B: HOO
Panel C: RGB annotation

Processing:
RGB are combined.
Cropping for Ha, O3, S2 and RGB
DBE for Ha, O3, S2 and RGB. This step is critical to avoid subtracting nebulosity. Just 7 squares (35 size) were used in DBE.
Color Colib for RGB
Blur and Noise XT for Ha, O3, S2 and RGB
Star XT for Ha, O3, S2 and RGB. RGB stars were kept; others were discarded.

Manual stretching (with HT) for Ha, O3, S2, RGB, and RGB-stars

1. Processing (panel A and B)
Made copy from Ha. This is narrow band Lum
Combined SHO and HOO as R-G-B
Lum mask on SHO-HOO
Played with Hue-Saturation until final image (took 2h each!). Foraxx did not work. PixelMath was not used.
Lum for narrow band was masked by copy
Local Histogram Equalization: Kernel radius of 40, 150 and then 250 (histogram resolution is 10-bit!)
Multiscale-median transform for sharpness; strong 0.4-0.5 setting.
Curves: brightness is manipulated
Mask off.
Added this Lum to SHO and HOO
Added RGB stars.

2. Processing (panel C)
HT stretched RGB and RGB stars.
Simple Lum mask for both
Curves: saturation and brightness are manipulated
Mask off.
Annotation for panel C

Done

Original
B
Final
C

B

Title: HOO version

Uploaded: ...

C

Title: SHO version

Uploaded: ...

Nebulas (Emission)

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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
Top pick nominations

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
Landscape

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	8383293
PixInsight job	258GAP4WBN3LB7OS1HBWN4CIYQUHBUZ6
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h46m15s.27
RA (top/left)	22h41m53s.13
RA (top/right)	22h42m00s.66
RA (bottom/right)	22h50m29s.83
RA (bottom/left)	22h50m38s.47

Dec (center)	+58°04′17″.3
Dec (top/left)	+58°38′13″.3
Dec (top/right)	+57°29′54″.0
Dec (bottom/right)	+57°29′51″.10
Dec (bottom/left)	+58°38′09″.2

Image Index:

Contribution Index (beta):

NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

Equipment

Acquisition details

Description

Comments

Revisions

B

C

Sky plot

Histogram

In these collections

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Image Index:

Contribution Index (beta):

NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

NGC7380, Wizard Nebulae (SHO, HOO & RGB-annotation)

Revision title: SHO version

Equipment

Acquisition details

Description

Comments

Revisions

B

C

Sky plot

Histogram

In these collections

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