NGC2264 (Luca Dinoi)

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

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NGC2264

Link: https://flic.kr/p/2opJcCN

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NGC2264

Link: https://flic.kr/p/2opJcCN

NGC2264

NGC 2264 indicates a bright open cluster surrounded by a large system of diffuse nebulosities, within the constellation of the Unicorn.

In fact, the first striking feature when exploring this area of the sky with binoculars is a group of about twenty blue stars, dominated by the star S Monocerotis, of magnitude between the fifth and ninth, arranged in a triangle, with the vertex pointed towards the south, a feature that in the southern hemisphere (where the top appears to be pointing upwards) makes it similar to a Christmas tree (the latter is the proper name of the cluster).

In the southern apex of the cluster, if observed with a Newtonian telescope with the aid of a filter, a nebula becomes evident, in the edge of which there is a dark patch in the shape of a cone with the tip directed towards the apex of the shaft of Christmas; this structure has made the cloud famous with the proper name of the Cone Nebula. A vast fainter nebulosity also extends to the northwest of the cluster, clearly visible in long-exposure photos.

Please note: The following tables are updated every 24 hours.

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
Started	...
Astrometry.net job	7417503
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC2264

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Image Index:

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NGC2264

NGC2264

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