NGC2264 Nebulosa Cono (Salvatore Cozza)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: Christmas Tree cluster · Cone nebula · NGC 2259 · NGC 2264 · The star 15Mon

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NGC2264 Nebulosa Cono

NGC 2264 indica un brillante ammasso aperto circondato da un grande sistema di nebulosità diffuse, all'interno della costellazione dell'Unicorno.

In effetti, la prima caratteristica che colpisce esplorando quest'area di cielo con un binocolo è proprio un gruppo di circa venti stelline di colore blu, dominato dalla stella S Monocerotis, di magnitudine compresa fra la quinta e la nona, disposte a triangolo, con il vertice puntato verso sud, caratteristica che nell'emisfero australe (dove la cima appare rivolta verso l'alto) lo rende simile ad un Albero di Natale (quest'ultimo è il nome proprio dell'ammasso).

Nel vertice meridionale dell'ammasso, se si osserva con un telescopio newtoniano con l'ausilio di un filtro, diventa evidente una nebulosa, nel cui bordo è presente una toppa scura a forma di cono con la punta rivolta verso il vertice dell'albero di Natale; questa struttura ha reso famosa la nube con il nome proprio di Nebulosa Cono. (Wikipedia)

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
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
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

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
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
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
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Astrometry.net job	1054791
PixInsight job	n/a
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NGC2264 Nebulosa Cono

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NGC2264 Nebulosa Cono

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