Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus (Evangelos Souglakos)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: HD198385 · LBN 468 · LDN 1147 · LDN 1148 · LDN 1152 · LDN 1155 · LDN 1157 · LDN 1158

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Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

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Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

Reflection and dark nebulae in Cepheus cataloged by Beverly T. Lynds Catalogue of Bright Nebulae 1965 and Catalog of Dark Nebulae 1962. Herbig-Haro 215 is also called Gyulbudaghian’s Nebula.This little-known variable reflection nebula is similar to Hubble’s variable nebula. This nebula changes brightness and shape over many months or years. Armen Gyulbudaghian is a Russian astronomer at Byurakan Observatory. He discovered this nebula in 1977, Apparently during a survey for new Herbig-Haro objects.The object as a whole is known as HH 215; the reflection nebula is officially cataloged as GM 1-29 (Magakyan — the “M” — was co-author on the discovery paper). At the heart of the Herbig-Haro object lies the variable Herbig AbBe pre-main sequence star PV Cephei.This is a newly formed star that is surrounded by a rotating disk of material. At right angles to this disk are two jets of material, streaming away from the star at high speeds

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
Top picks
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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

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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.
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	4760871
PixInsight job	E565UJ7BOWUHA0SF5521V6RJ4YF9HZLM
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h40m46s.55
RA (top/left)	20h47m43s.67
RA (top/right)	20h47m18s.58
RA (bottom/right)	20h33m19s.84
RA (bottom/left)	20h34m42s.41

Dec (center)	+67°46′36″.4
Dec (top/left)	+66°57′16″.7
Dec (top/right)	+68°38′46″.6
Dec (bottom/right)	+68°34′44″.9
Dec (bottom/left)	+66°53′32″.10

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Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

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Contribution Index (beta):

Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

Lbn 468, Ldn 1148, 1155, 1158, Rno 124 Cepheus

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