Cosmic Keyhole Nebula NGC 1999 (Daniel Stern)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: HD37001 · HD37210 · LBN 979 · LDN 1641 · NGC 1999

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Cosmic Keyhole Nebula NGC 1999

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Cosmic Keyhole Nebula NGC 1999

This is NGC 1999, The Cosmic Keyhole Nebula, not to be confused with NGC 3372, the Carina Nebula, which is also referred to as the Keyhole Nebula. The keyhole shape in the central blue patch of the image was originally thought to be a dense cloud of gas and dust, blocking any light from getting through. It is now known that the “keyhole” is actually a void. The area surrounding NGC 1999 is a mixture of emission, reflection, and dark nebulae. It’s located in the Orion area and is a very active star forming region. Being a region so rich in newly formed stars it is peppered with many Herbig-Haro objects, which are always associated with newly formed stars. Jets of material and radiation being emitted by these stars, collide with the surrounding gas-dust environment, creating a bow shock that can emit visible radiation.

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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
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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
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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
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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.
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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	Advanced success
Started	...
Astrometry.net job	8927108
PixInsight job	GKTEP00VD3DA2DQM7UYOJZZK3ASCX6UP
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h36m23s.555
RA (top/left)	05h37m44s.610
RA (top/right)	05h35m01s.843
RA (bottom/right)	05h35m02s.903
RA (bottom/left)	05h37m45s.374

Dec (center)	-06°42′46″.41
Dec (top/left)	-06°21′53″.20
Dec (top/right)	-06°22′10″.38
Dec (bottom/right)	-07°03′38″.85
Dec (bottom/left)	-07°03′21″.57

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Cosmic Keyhole Nebula NGC 1999

Cosmic Keyhole Nebula NGC 1999

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Cosmic Keyhole Nebula NGC 1999

Cosmic Keyhole Nebula NGC 1999

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