M42 the Orin Nebula (RonAdams)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Great Nebula in Orion · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri

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M42 the Orin Nebula

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M42 the Orin Nebula

This was really just a test image. I re-collimated my 8 Inch Newtonian Astrograph. I wanted to image something to see if the collimation was satisfactory. I picked M42 because it was located where there weren't any clouds. The data looked good so I decided to take as many light frames as I could get before clouds moved in. The clouds never bothered me in this part of the sky but the moisture became horrible. My collimation seemed fine. However the collimation threw my focus off and the mark I had put on my focus tube no longer represented good focus. I need to get a Bahtinov Mask for this scope to help me fine tune the focus. Coma was definitely a problem which is common with these fast short focal length reflectors. I need to purchase a coma corrector which will help flatten the image. I'm cheap and have procrastinated doing this but it is necessary. Have you ever noticed with this hobby that everything you buy is going to require that you buy something else in order for what bought to work like it should. Anyway I never know when to stop talking. Please enjoy my most recent image of M42.

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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	2325268
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M42 the Orin Nebula

M42 the Orin Nebula

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M42 the Orin Nebula

M42 the Orin Nebula

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