Cone & Fox Fur Nebulas (Frank Kane)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 15 S Mon · Christmas Tree Cluster · LBN 911 · LBN 912 · LDN 1613 · NGC 2264 · Sh2-273 · The star 15Mon

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Cone & Fox Fur Nebulas

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Cone & Fox Fur Nebulas

The Christmas Tree cluster, imaged with a combination of LRGB and synthetic RGB from narrowband filters. The goal was to get the depth of Ha data but without losing the blue reflection stuff in the middle of it.

So the basic idea was to process an RGB image, then use NBRGBCombination in PixInsight to blend 0.5Ha+0.5S2 into R and 0.411*O3+0.1*Ha into B. Technically I should have also blended in synthetic green data, but enhancing green doesn't lead to good results! For luminance I linear-fit Ha to L and blended them together, then deconvolved.

Another new trick I'm using is creating a starless luminance mask (via StarNet) for deconvolution and some curves, sharpening, and local contrast enhancement.

Not bad for Bortle 5 I guess. I might throw another night's worth of L and Ha at it if I get the chance.

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

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	5457491
PixInsight job	6UJN9BKNQW6V758HUVYEW5X5J6CRH6TY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h41m03s.945
RA (top/left)	06h42m53s.654
RA (top/right)	06h39m38s.534
RA (bottom/right)	06h39m14s.509
RA (bottom/left)	06h42m29s.260

Dec (center)	+09°45′16″.80
Dec (top/left)	+10°09′01″.67
Dec (top/right)	+10°14′26″.30
Dec (bottom/right)	+09°21′26″.62
Dec (bottom/left)	+09°16′02″.94

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Cone & Fox Fur Nebulas

Cone & Fox Fur Nebulas

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Image Index:

Contribution Index (beta):

Cone & Fox Fur Nebulas

Cone & Fox Fur Nebulas

Equipment

Acquisition details

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