NGC 2264 (Cone nebula) (Alberto Tomatis)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: Christmas Tree Cluster · NGC 2264 · The star 15 Mon

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NGC 2264 (Cone nebula)

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NGC 2264 (Cone nebula)

William Herschel scoprì questo ammasso nel 1784, e la nebulosa nel 1785.

Ha scoperto l'ammasso il 18 gennaio 1784 e lo ha catalogato come H VIII.5, e la nebulosa il 26 dicembre 1785,

assegnando a questa il numero H V.27.

La nebulosa appartiene ad un complesso molto più grande, che attualmente è una regione di formazione stellare.

La Cono è situata nel famoso Braccio di Orione che circonda l'ammasso stellare NGC 2264.

Il 'cono' è una nebulosa a forma triangolare scura nella parte inferiore della nebulosa.

La stella luminosa al centro di questa ripresa è 15 Monocerotis si tratta di un sistema stellare quadruple composto

da quattro brillanti stelle blu-bianche (classi O7, B7, B8 e A6) ed è in parte sono la causa che ullumina la nebulosa.

La dimensione di questa immagine: 1.2° x 1°

Di seguito sono riportate le nebulose principali che si trovano in questa regione.

La Cone Nebula (NGC 2264) è la nebulosa principale - è la parte più brillante di una nebulosa ad emissione di grandi dimensioni

ed è la sola nebulosa solo con una distanza nota. Le distanze le altre nebulose sono molto incerte.

IC 446 e NGC 2245 sembrano essere diverse migliaia di anni luce dietro la Nebulosa Cono, tutte le altre nebulose potrebbero

essere associate con la nebulosa Cono.

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	Distinct awarded users	Total awarded images
Image of the day
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Top pick nominations

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
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Distribution of data sources

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
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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	Basic success
Started	...
Astrometry.net job	6510660
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 2264 (Cone nebula)

NGC 2264 (Cone nebula)

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NGC 2264 (Cone nebula)

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