DeHt5 (Dengel-Hartl 5) - all by itself. (Bill McLaughlin)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 538 · PK111+11.1

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DeHt5 (Dengel-Hartl 5) - all by itself.

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DeHt5 (Dengel-Hartl 5) - all by itself.

You see this object a great deal but seldom by itslef. More typically it is part of the FOV in most images of VdB 152. Dengel-Hartl 5 in Cepheus was discovered in 1979 by the Palomar Observatory Sky Survey. Most sources categorize it as an ancient planetary nebula (hence it's unusual shape), although other sources dispute this and recently list it as just a dense part of the interstellar medium that is ionized by a hot white dwarf star (PK111-11.1) The faint red filaments at the lower left are part of the much larger supernova remnant SNR 110.3+11.3. HAO3 image with RGB Stars taken over 16 nights between July 25 2023 and August 16 2023 with my system at SkiesAway observatory.

Narrowband imaging
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Planetary Nebulae
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Imaged with N.I.N.A.
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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	8646523
PixInsight job	QO272V7CWRCUCS6B7JMKFHYCYTR26XW8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h20m08s.184
RA (top/left)	22h22m36s.229
RA (top/right)	22h17m34s.574
RA (bottom/right)	22h17m43s.120
RA (bottom/left)	22h22m39s.411

Dec (center)	+70°56′59″.42
Dec (top/left)	+71°06′59″.26
Dec (top/right)	+71°06′22″.95
Dec (bottom/right)	+70°46′51″.68
Dec (bottom/left)	+70°47′28″.30

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DeHt5 (Dengel-Hartl 5) - all by itself.

DeHt5 (Dengel-Hartl 5) - all by itself.

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Contribution Index (beta):

DeHt5 (Dengel-Hartl 5) - all by itself.

DeHt5 (Dengel-Hartl 5) - all by itself.

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