LDN1372 (Darius Kopriva)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD15522 · HD15557 · HD15558 · HD15570 · HD15629 · HD15851 · HD16183 · IC 1805 · LBN 654 · LBN 655 · LDN 1366 · LDN 1368 · LDN 1369 · LDN 1371 · LDN 1372 · LDN 1373 · Sh2-190

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LDN1372

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LDN1372

On this picture you can see IC 1805 and LDN 1372
LDN 1372 is a dark nebula located in the head of the Heart Nebula.

A dark nebula or absorption nebula is a type of interstellar cloud, particularly molecular clouds, that is so dense that it obscures the visible wavelengths of light from objects behind it, such as background stars and emission or reflection nebulae. The extinction of the light is caused by interstellar dust grains located in the coldest, densest parts of molecular clouds. Clusters and large complexes of dark nebulae are associated with Giant Molecular Clouds. Isolated small dark nebulae are called Bok globules. Like other interstellar dust or material, things it obscures are only visible using radio waves in radio astronomy or infrared in infrared astronomy.

The Heart Nebula (also known as the Running dog nebula), IC 1805, Sharpless 2-190, is some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.

Southern Hemisphere Astro

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	6441516
PixInsight job	X6AFRE12ZVEOA8KW8BXMJMT8XB3H70NR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h35m53s.62
RA (top/left)	02h32m23s.90
RA (top/right)	02h32m32s.20
RA (bottom/right)	02h39m15s.59
RA (bottom/left)	02h39m22s.78

Dec (center)	+61°19′28″.0
Dec (top/left)	+61°56′11″.3
Dec (top/right)	+60°42′19″.8
Dec (bottom/right)	+60°42′21″.9
Dec (bottom/left)	+61°56′09″.7

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LDN1372

LDN1372

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LDN1372

LDN1372

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