NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?) (AstroFleetTeam)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 34 Cas · 34 phi Cas · HD236689 · HD236697 · HD7733 · HD7902 · HD8159 · NGC 457 · Owl Cluster · The star φ Cas

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NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

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NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

Hello Peeps !

encore une image shooté sous notre beau ciel espagnol à Pixelskies.

il s'agit de NGC 457 (Caldwell 13), appelé aussi « amas de la Chouette » ou « E.T. », est un amas ouvert très jeune situé dans la constellation de Cassiopée.
Il renferme quelques quatre-vingts étoiles et sa distance au Soleil est estimée à environ 5200 années-lumière.Les dernières estimations donnent un âge de 21 millions d'années à cet amas et sa taille est d'environ 46 années-lumière.

Cette image fut shooté en LRVBH, et à notre grand étonnement, il y a beaucoup de H dans le fond de ciel !

cette image comporte environ 24h de poses.

Bon ciel à tous !

AstroFleet Team

3nm Narrowbanding filters
QHY268M/ZWO2600M Images
PixelSkiesAstro
AAA : Astronomes et Astrographes Amateurs
Astrophotographes (France)

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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.
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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	9217370
PixInsight job	E9XS8HG9TJNZFOQOGAXRMLWAA528AF9Y
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h19m40s.948
RA (top/left)	01h22m29s.211
RA (top/right)	01h22m11s.995
RA (bottom/right)	01h16m47s.569
RA (bottom/left)	01h17m14s.149

Dec (center)	+58°14′42″.37
Dec (top/left)	+57°44′05″.50
Dec (top/right)	+58°47′08″.85
Dec (bottom/right)	+58°45′11″.35
Dec (bottom/left)	+57°42′10″.29

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NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

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NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

NGC 457 (Caldwell13) - L'amas de la chouette ou de ET (Wall E ?)

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