Messier 78 (José Joaquín Pérez)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: LBN 938 · LBN 939 · M 78 · NGC 2064 · NGC 2067 · NGC 2068 · NGC 2071 · PK204-13.1 · VdB59 · VdB60

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Messier 78

Link: http://www.astro-austral.cl/imagenes/nebulae/M78_El%20Sauce/info.htm

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Messier 78

Link: http://www.astro-austral.cl/imagenes/nebulae/M78_El%20Sauce/info.htm

The nebula Messier 78 (also known as M 78 or NGC 2068) is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like objects that same year. M78 is the brightest diffuse reflection nebula of a group of nebulae that include NGC 2064, NGC 2067 and NGC 2071. This group belongs to the Orion Molecular Cloud Complex and is about 1,600 light years distant from Earth. M78 is easily found in small telescopes as a hazy patch and involves two stars of 10th magnitude. These two stars, HD 38563A and HD 38563B, are responsible for making the cloud of dust in M78 visible by reflecting their light. About 45 variable stars of the T Tauri type, young stars still in the process of formation as well as some 17 Herbig–Haro objects are known in M78.

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Distribution of astrophotographers

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	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	Advanced success
Started	...
Astrometry.net job	3390939
PixInsight job	WBBSWP7ONE77ZSNGRTXCYUAJB5WAVS4R
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h46m42s.38
RA (top/left)	05h45m03s.83
RA (top/right)	05h45m03s.29
RA (bottom/right)	05h48m20s.89
RA (bottom/left)	05h48m21s.43

Dec (center)	+00°05′17″.0
Dec (top/left)	+00°49′15″.3
Dec (top/right)	-00°38′34″.1
Dec (bottom/right)	-00°38′38″.8
Dec (bottom/left)	+00°49′10″.0

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Messier 78

Messier 78

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Messier 78

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