M42 (the Great Orion Nebula) (Anders Johannesson)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 42 c Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · De Mairan's nebula · Great Nebula in Orion · Hatysa · LBN 974 · LBN 977 · LDN 1640 · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1982 · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri

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M42 (the Great Orion Nebula)

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M42 (the Great Orion Nebula)

Probably the most photographed object in the sky. M42 is a large birthplace for stars that is so close that we can see many details. From our planet it is one of the brightest gas nebulae. The distance to M42 is 1300 light years.

To catch the high dynamic range of this object, two sets of images are used. They differ only in gain setting (ISO 3200 and ISO 400). The exposure time is the same. This particular camera is using its best amplifier at the higher gain setting, and thus a better signal-to-noise, but the price is a lower dynamic range, thus the two image types. 94 high gain images are combined with 4 low gain images in PixInsight.

"Nordish by nature"

Sony a7s images

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	Advanced success
Started	...
Astrometry.net job	3215510
PixInsight job	BM00NYIO7ZWN5KRI4P4KK63ZVEF6WXVF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h36m42s.19
RA (top/left)	05h40m42s.80
RA (top/right)	05h31m33s.71
RA (bottom/right)	05h32m41s.15
RA (bottom/left)	05h41m50s.93

Dec (center)	-05°18′38″.9
Dec (top/left)	-04°16′24″.3
Dec (top/right)	-04°39′10″.4
Dec (bottom/right)	-06°20′50″.8
Dec (bottom/left)	-05°57′55″.8

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Contribution Index (beta):

M42 (the Great Orion Nebula)

M42 (the Great Orion Nebula)

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Image Index:

Contribution Index (beta):

M42 (the Great Orion Nebula)

M42 (the Great Orion Nebula)

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Description

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