The Horse and The Flame in Ha (BillyBoyBoy)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 Ori · 48 sig Ori · 50 Ori) · 50 zet Ori · Alnitak · B33 · Flame Nebula · HD290760 · HD290761 · HD290766 · HD290767 · HD290768 · HD290771 · HD290773 · HD290808 · HD290812 · HD290814 · HD290815 · HD290849 · HD290852 · HD290853 · HD290854 · HD294268 · HD294269 · HD294272 · HD294273 · HD294278 · HD294279 · HD294280 · HD294281 · And 74 more.

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The Horse and The Flame in Ha

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The Horse and The Flame in Ha

This is a favorite of mine to image in hydrogen alpha. So much contrast and structure, and of course the iconic Horsehead as one of the most memorable pictures I remember as a kid.

Shooting it in color - in my opinion - is just too much red. It's mostly hydrogen gas in the Horsehead region and I think you lose the contrast perspective when color is in the picture.

I didn't even bother to crop the frame... there's so much interesting stuff and even on the edges, which implies that there is more beyond the image. I suppose I will eventually make a mosaic of this region, but such an image would reduce the horsehead's prominence in the image. I wanted the horse to be the centerpiece in this.

I drew out the clouds below the Horsehead just enough to show there was matter and structures there. Honestly, it was a surprise to me that there was stuff there at all.

Original
Final
B

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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	7311510
PixInsight job	J29VN9CGTXRNHFBN7SPVZ1FJVQM6ICHZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h41m02s.803
RA (top/left)	05h37m33s.141
RA (top/right)	05h38m10s.261
RA (bottom/right)	05h44m32s.715
RA (bottom/left)	05h43m55s.860

Dec (center)	-02°25′46″.40
Dec (top/left)	-01°17′18″.38
Dec (top/right)	-03°40′24″.97
Dec (bottom/right)	-03°34′14″.10
Dec (bottom/left)	-01°11′04″.79

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The Horse and The Flame in Ha

The Horse and The Flame in Ha

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The Horse and The Flame in Ha

The Horse and The Flame in Ha

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