NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO (AnaTa)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B353 · LBN 378 · NGC 6996

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NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

Powered byPixInsight

NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

This image contains open cluster NGC6996, dark nebula Barnard 353 and emission nebula LBN 378. SNR is about 60.

Processing:
Dynamic Crop for R, G, B, O3 and Ha
RGB combine.
DBE for RGB
Color calibration for RGB
Blur and Noise XT for RGB, Ha and O3.
Star XT for RGB
Standard linear HT stretching for RGB (strong stretch) and RGB-stars (medium stretch)
Standard linear HT stretching for Ha and O3

RGB was created.
Noise XT and then HT stretch again
Curves for star and nebula saturation and brightness adjustment.
Annotation (panel A)

Combined HOO.
Noise XT on HOO.
HT stretch again.
Star XT on HOO. Stars are discarded
LHE. Kernel radius 40 and 150 (setting 0.2-0.3).
Curves for RGB-stars and HOO-nebula: saturation, hue and brightness adjustments.
RGB-stars were added to HOO to created RGB-HOO.
Done. RGB-HOO (panel B)

Original
Final
B

Clusters (Open)

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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
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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	9888115
PixInsight job	S2LX3JRA2I1BLB1BMVYEE7H2H5Z94ATY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h56m50s.486
RA (top/left)	20h55m46s.339
RA (top/right)	20h57m53s.897
RA (bottom/right)	20h57m55s.270
RA (bottom/left)	20h55m46s.702

Dec (center)	+45°26′33″.49
Dec (top/left)	+45°15′22″.86
Dec (top/right)	+45°15′15″.42
Dec (bottom/right)	+45°37′42″.40
Dec (bottom/left)	+45°37′49″.81

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Contribution Index (beta):

NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

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Image Index:

Contribution Index (beta):

NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

NGC 6996 open cluster, B353 dark nebula, LBN 378 emission nebula, RGB-HO

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Acquisition details

Description

Comments

Revisions

Sky plot

Histogram

In these collections

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