Propeller Nebula Widefield HaRGB (Greg Nelson)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 37 gam Cyg · B342 · B343 · B344 · B346 · B347 · B348 · Cygnus · IC 1311 · IC 1318 · M 29 · NGC 6866 · NGC 6910 · NGC 6913 · NGC 6914 · PK076+01.2 · PK077+02.1 · PK077+03.1 · PK077+03.2 · PK078+00.1 · PK078+05.1 · PK079+00.1 · PK079+05.1 · PK079+06.1 · PK081+03.1 · Sadr · Sh2-108 · Sh2-109 · Sh2-112 · The star Sadr (γCyg) · And 4 more.

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Propeller Nebula Widefield HaRGB

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Propeller Nebula Widefield HaRGB

The Propeller Nebula Region in HaRGB

I enhanced the RGB image with Ha and used PhotometricColorCalibration to set the color. I decided to use the new ArcsinhStretch Tool and was blown away by the color retention in the stars. This method is touted as a great way to retain color and avoid the "bleaching out" that can happen in higher intensity parts of the image. The Ha emissions turned out a little different than I was expecting and I may work on the image some more but I am at a good "sharing" point after my first experimentation with the new stretching tool in Pixinsight.

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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	1766343
PixInsight job	9YSFQW19IKKL7BJ6F6TOHGHXMARSJ3SB
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h19m45s.21
RA (top/left)	20h04m11s.63
RA (top/right)	20h05m12s.69
RA (bottom/right)	20h33m31s.40
RA (bottom/left)	20h36m08s.50

Dec (center)	+42°25′52″.7
Dec (top/left)	+46°11′57″.7
Dec (top/right)	+38°39′02″.3
Dec (bottom/right)	+38°32′53″.4
Dec (bottom/left)	+46°04′56″.5

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Propeller Nebula Widefield HaRGB

Propeller Nebula Widefield HaRGB

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Image Index:

Contribution Index (beta):

Propeller Nebula Widefield HaRGB

Propeller Nebula Widefield HaRGB

Equipment

Acquisition details

Description

Comments

Acquired at

Sky plot

Histogram

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