Barnard 150 - 2020 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B148 · B150 · PGC 167690 · PGC 167697 · PGC 2601822 · PGC 97245

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Barnard 150 - 2020

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Barnard 150 - 2020

This object is a dark nebula located 1200 light years away in the constellation of Cepheus at a declination of +60 degrees. It is about 1° in length. The object is the 150th entry in the Barnard catalog of 182 dark sky nebulae, cataloged in the early 20th century by astronomer E. E. Barnard.

Dark nebulae are interstellar clouds so dense that their dust grains obscure the light from the background stars. Note that the dim stars which are just barely visible through the dark nebulae are primarily orange, since starlight in the bluer wavelengths is more easily reflected. Astronomers believe that star formation is taking place in the inner regions of these dark nebulae.

This object is nicknamed the Seahorse Nebula. Unlike many named sky objects, this nickname is easy to visualize in the image and does not conjure up strange thoughts in my mind (e.g. Deer Lick Galaxy, War & Peace Nebula, etc.). So it is one of the few nicknames I can embrace.

Texas Astronomy
Dark Nebula
Takahashi Refractors
ASI 6200 MM Pro
The refractors!
CMOS Imagers
Cloudy Nights

Dark Nebulae

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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	4137501
PixInsight job	IP28XT5ONNDNCV1ZRLYYC476AQRD15AA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h50m44s.14
RA (top/left)	20h57m39s.78
RA (top/right)	20h42m56s.30
RA (bottom/right)	20h44m06s.99
RA (bottom/left)	20h58m16s.70

Dec (center)	+60°15′05″.1
Dec (top/left)	+60°58′14″.3
Dec (top/right)	+60°48′57″.3
Dec (bottom/right)	+59°30′40″.1
Dec (bottom/left)	+59°39′33″.1

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Barnard 150 - 2020

Barnard 150 - 2020

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Barnard 150 - 2020

Barnard 150 - 2020

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