Sh2-171 (Bernard DELATTRE)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD224826 · HD224918 · HD225009 · HD225010 · HD225136 · HD225216 · HD225271 · HD404 · LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 588 · LDN 1266 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1275 · NGC 7822 · Sh2-171

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Sh2-171

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Sh2-171

Cet objet est une grande nébuleuse à émission située à 3000 années-lumière dans la constellation de Céphée à une déclinaison de +67 degrés. La nébuleuse s'étend sur 75 minutes d'arc dans notre vue apparente, ce qui correspond à une véritable étendue de 65 années-lumière. Le complexe est parfois appelé Sh2-171 et Cederblad 214, bien que les véritables limites de ces objets soient légèrement différentes.

De nombreux "troncs d'éléphants" - piliers cosmiques de gaz froid et de poussière noire - se trouvent dans cette nébuleuse. Tous ces troncs pointent vers l'amas d'étoiles Berkeley 59 vers le haut de l'image. Les vents puissants et le rayonnement de cet amas d'étoiles sculptent et érodent les formes denses des piliers.

Texte de Gary IMM

Original
B
C
Final
D

Sharpless2 Objects
CMOS Imagers
GHS Made a Substantial Difference
ZWO ASI1600MM/QHY163M
N.I.N.A. Users
Fine Art Astrophotography
Narrowband imaging
The refractors!
PixInsight Addicts
TS-Optics or SharpStar 94EDPH

0a.Most Recent
2b.NarrowBand S2-Ha-OIII
Ctlg LBN
Ctlg LDN (nébuleuses sombres)
Ctlg Sh2 (nébuleuses diffuses)
Nébuleuses diffuses par émission & réflexion

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	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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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	...
PixInsight job	ZN5W9UNCWSX67AISKFJWMMHGTXHKZZN3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h03m38s.34
RA (top/left)	00h11m29s.25
RA (top/right)	00h14m11s.91
RA (bottom/right)	23h54m56s.94
RA (bottom/left)	23h54m01s.80

Dec (center)	+67°11′03″.9
Dec (top/left)	+65°55′02″.10
Dec (top/right)	+68°16′59″.9
Dec (bottom/right)	+68°25′15″.2
Dec (bottom/left)	+66°02′34″.6

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