The Great Orion Nebula (Aleix Roig)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 43 the02 Ori · De Mairan's nebula · Great Orion Nebula · LBN 974 · LDN 1640 · M 42 · M 43 · Mairan's Nebula · NGC 1976 · NGC 1982 · Orion Nebula · Sh2-281 · The star θ1Ori · The star θ2Ori

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The Great Orion Nebula

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The Great Orion Nebula

Probably the most popular deep sky nebula, the Orion Nebula (M42), is a wide HII region where hundreds of new stars are born. This stars nursery is located around 1300 light years from Earth and it's estimated to be around 24 light years across.

Together with M42 we can see Sh2-279 also called "Running Man Nebula". A fantastic deep sky object that shows a reflection and emission nebula reminding us the shape of a running man.

The Orion Molecular clouds of dust and gas are visible surrounding both nebulae giving to the image a chocolate texture.

This image has been possible thanks to the dark skies of Prades where I have my observatory. During moonless February 2018 nights I acquired the broad band data that was blended with some Ha narrow band images. HDR techniques have been used with all the images.

This image is the result of a new processing made in late November 2021. New processing tools have been applied: StarXTerminator module and Topaz Denoise.

Details:

L: 20x30" + 30x300"

RGB: 20x30" + 20x18" each channel

Ha: 20x30" + 28x600"

50 Darks, 50 bias, 30 flats

Data acquisiton 2018
Data processing 2021

Exposure: 11h

Mesu200

FSQ85

ASI1600MM + EFW 8pos Baader filters + OAG with ASI174MC

Software:

SGP, PHD2, APP, Pixinsight.

Aleix Roig - Prades, Tarragona (Catalonia, Spain). November 2021.

Cloudy Nights

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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
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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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Star trails
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Landscape

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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
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Amateur hosting facility
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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	Advanced success
Started	...
Astrometry.net job	5281040
PixInsight job	TZPHXV4R21766DAMWHHVTLD24WDP7PTF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h34m48s.29
RA (top/left)	05h33m09s.68
RA (top/right)	05h36m28s.10
RA (bottom/right)	05h36m26s.86
RA (bottom/left)	05h33m08s.73

Dec (center)	-05°22′53″.8
Dec (top/left)	-05°48′58″.6
Dec (top/right)	-05°48′43″.4
Dec (bottom/right)	-04°56′48″.1
Dec (bottom/left)	-04°57′03″.6

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The Great Orion Nebula

The Great Orion Nebula

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Image Index:

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The Great Orion Nebula

The Great Orion Nebula

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Acquisition details

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Sky plot

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