M97 Nébuleuse du Hibou NGC3587 (Lacheheb)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 97 · NGC 3587 · Owl Nebula

M97 Nébuleuse du Hibou NGC3587, Lacheheb

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M97 Nébuleuse du Hibou NGC3587

Link: https://1drv.ms/u/s!ApfteboMEzL6tB_ueC9--cC1CaPk?e=rqWBkp

Link to TIFF/FITS: https://1drv.ms/u/s!ApfteboMEzL6tCA03iGfpAisQHLe?e=RmCPlB

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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M97 Nébuleuse du Hibou NGC3587

Link: https://1drv.ms/u/s!ApfteboMEzL6tB_ueC9--cC1CaPk?e=rqWBkp

Link to TIFF/FITS: https://1drv.ms/u/s!ApfteboMEzL6tCA03iGfpAisQHLe?e=RmCPlB

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

M97 (parfois appelée nébuleuse du Hibou, ou NGC 3587) est une nébuleuse planétaire située à une distance de 729 ± 35 pc (∼2 380 a.l.) dans la constellation de la Grande Ourse. Elle s'étend sur une distance d'environ 2,35 années-lumière. Son âge est estimé à 6 000 ans. Elle a été découverte par Pierre Méchain le 16 février 1781.

La masse totale de la nébuleuse est d'environ 0,15 masse solaire, tandis que l'étoile centrale, une naine blanche, aurait une masse estimée entre 0,55 et 0,6 masse solaire.

La nébuleuse dans son ensemble aurait une forme de « tore cylindrique » (un peu comme un globe auquel on aurait retiré les pôles) qui serait vue depuis la Terre de façon oblique. Ainsi, les deux « trous » des extrémités, qui sont en fait des régions beaucoup plus pauvres en matière, formeraient les « yeux » du hibou, par transparence.

Source : Wikipedia

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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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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	Basic success
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Astrometry.net job	5314061
PixInsight job	n/a
PixInsight queue size	n/a
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M97 Nébuleuse du Hibou NGC3587

M97 Nébuleuse du Hibou NGC3587

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M97 Nébuleuse du Hibou NGC3587

M97 Nébuleuse du Hibou NGC3587

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