"The Seagull Nebula" (Don Curry)

Celestial hemisphere: Southern · Constellation: Monoceros (Mon) · Contains: IC 2177 · NGC 2335 · NGC 2343

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"The Seagull Nebula"

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"The Seagull Nebula"

The Seagull Nebula is 2.5 degrees from wing to wing located 24 degrees to the southeast of Orion.

This DSO is about 100 light years across . The head of the Seagull is VDB 93, while the bright HII region at the bottom wing is Cedarblad 90.

The final rendition was cloned in Pixinsight and mask was applied to image. The allowance of mask in place gave me options available to apply LHE to image, then curve application and something I have not attempted before was application of color saturation while mask still in place to avoid oversaturation of stars and keep blue halos down as much as possible in this HaLRGB combined image.

I may still need to see if morphological transformation would still get a better handle of the blue halos. I know Neil Carboni tools has an application for its reduction, but it may leave artifacts in overall image thus my reluctance to use that application.

Original
B
Final
C

The refractors!
Cloudy Nights
Members of Deep Sky West

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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.
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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	Basic success
Started	...
Astrometry.net job	1473537
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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