Horsehead Nebula (jrtb)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 Ori · 48 sig Ori · 50 Ori) · 50 zet Ori · Alnitak · B33 · Flame Nebula · HD294272 · HD37524 · HD37525 · HD37564 · HD37633 · HD37641 · HD37661 · HD37662 · HD37699 · HD37744 · HD37805 · HD37806 · HD37903 · HD37904 · HD37927 · HD38087 · Horsehead nebula · IC 434 · IC 435 · LBN 953 · LBN 954 · NGC 2023 · NGC 2024 · And 5 more.

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Horsehead Nebula

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Horsehead Nebula

The Horsehead and Flame Nebulae!

5+ hours, 80 exposures, shot on 6 nights between Feb 17th and March 5th, 2023

Probably my 2nd favorite target!

The Horsehead Nebula and the Flame Nebula are two of the most iconic and recognizable features in the night sky. They are both located in the constellation Orion, which is one of the most prominent constellations visible from the northern hemisphere.

The Horsehead Nebula, also known as Barnard 33, is a dark nebula that appears as the shape of a horse's head against a bright, glowing background of gas and dust. It is located in the Orion Molecular Cloud Complex, approximately 1,500 light-years away from Earth. The Horsehead Nebula is about 3 light-years across and is primarily made up of hydrogen gas and dust.

The Flame Nebula, also known as NGC 2024, is an emission nebula located just to the east of the Horsehead Nebula. It is a bright, reddish region of gas and dust that is illuminated by the nearby star Alnitak, which is one of the three stars that make up Orion's Belt. The Flame Nebula is also about 1,500 light-years away from Earth and is approximately 5 light-years across.

Both the Horsehead and Flame Nebulas are part of a larger region of gas and dust called the Orion Molecular Cloud Complex. This complex is a vast cloud of gas and dust that is actively forming new stars, and it is one of the closest regions of star formation to Earth. The Horsehead and Flame Nebulas are just two examples of the beautiful and fascinating features that can be found within this complex.

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	8047575
PixInsight job	TBYLXHEMAAEDZ25UY14P3JNXAPHBK9P8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h40m41s.55
RA (top/left)	05h38m20s.53
RA (top/right)	05h37m34s.42
RA (bottom/right)	05h43m02s.79
RA (bottom/left)	05h43m48s.62

Dec (center)	-02°19′08″.7
Dec (top/left)	-01°32′34″.9
Dec (top/right)	-02°54′09″.3
Dec (bottom/right)	-03°05′42″.1
Dec (bottom/left)	-01°44′05″.4

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Horsehead Nebula

Horsehead Nebula

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Image Index:

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Horsehead Nebula

Horsehead Nebula

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