NGC 7129, a reflection nebula in Cepheus (GalacticRAVE)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: IC 5134 · LBN 497 · LDN 1181 · LDN 1183 · NGC 7129 · NGC 7133 · VdB146

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NGC 7129, a reflection nebula in Cepheus

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NGC 7129, a reflection nebula in Cepheus

NGC7129 is a reflection nebula in the constellation Cepheus at a distance of some 3300 Lyr. Illuminating sources are about 130 very young and blue stars, whose light is reflected by the nebula, giving the nebula its characteristic blue color. There are a number of red blobs in the image, mostly caused by so-called Herbig-Haro objects: surrounding hydrogen gas is compressed and ionized by the shock fronts of the young stars and the ionized gas emitting in Halpha. Molecular clouds in the environ are brownish-yellow to dark black against the nebula.

Data were taken on August 23 and 26 of 2023.

Original
Final
B

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Reflection Nebula

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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	8432956
PixInsight job	8FW7KCM449UK4YZIPNC9R2WXSQ7LPRBO
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h42m51s.735
RA (top/left)	21h40m57s.203
RA (top/right)	21h44m45s.629
RA (bottom/right)	21h44m47s.416
RA (bottom/left)	21h40m56s.630

Dec (center)	+66°06′28″.24
Dec (top/left)	+65°58′39″.94
Dec (top/right)	+65°58′34″.75
Dec (bottom/right)	+66°14′11″.59
Dec (bottom/left)	+66°14′16″.69

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NGC 7129, a reflection nebula in Cepheus

NGC 7129, a reflection nebula in Cepheus

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Image Index:

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NGC 7129, a reflection nebula in Cepheus

NGC 7129, a reflection nebula in Cepheus

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