Transatlantic M42 (Göran Nilsson)

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

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Transatlantic M42

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Transatlantic M42

Last week I posted the first collaboration with fellow astrobinner Francois Theriault in New Brunswick (Canada) of the Horsehead Nebula and Flame Nebula

Francois has now kindly sent me more CCD data on some other objects, and processing this is great comfort and entertainment when skies are like they are over here. I start by posting M42, where my small contribution in addition to processing is the core.

This is the first time I have processed LRGB data from a mono CCD - good training for when I finally get around to use my own. Any suggestions for improvement are most welcome.

Canadian data was collected with an Antares 200mm Newtonean (FL 1000 mm) and a SBIG ST8300M (details here: http://www.astrobin.com/236409/).

Swedish data for the Trapezium & core was collected with an ES 127ED apo refractor with a TS 0.79 reducer giving at FL 750mm and a Canon 60Da (10 x 5 s and 10 x 15 s at ISO 1600).

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	930233
PixInsight job	BQW4TAYWAWVK1KM38PNP8FBMRUPUJQE8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m18s.67
RA (top/left)	05h37m19s.67
RA (top/right)	05h33m19s.20
RA (bottom/right)	05h33m17s.54
RA (bottom/left)	05h37m18s.49

Dec (center)	-05°26′04″.10
Dec (top/left)	-05°05′37″.2
Dec (top/right)	-05°05′06″.6
Dec (bottom/right)	-05°46′30″.1
Dec (bottom/left)	-05°46′59″.9

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Transatlantic M42

Transatlantic M42

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Image Index:

Contribution Index (beta):

Transatlantic M42

Transatlantic M42

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Acquisition details

Description

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