M42 (Russell Valentine)

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

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M42

Location:

Taken Jan 24, 2018 in Lawrence, KS, USA probably Bortle 6 with a bright white LED streetlight right across the street.

Equipment:

Canon T3i unmodded using Ekos for camera control

StarSync Tracker with Latitude stand

Canon EF-S 55mm-250mm IS II Telephoto Lens set at f/5.6 250mm

Acquisition

Light 65x10", ISO1600

Darks 20x10" as the last exposures of the night

Flats 14x1/640" with a tshirt over the lens look at a light illuminated by the sun

Darks for Flats 22x1/640"

First Processed in Siril

Flats dark subtracted and stacked

Darks stacked

Lights dark subtracted and flats applied then registered and stacked

Processed in Darktable with modules:

Exposure

White Balance

Base Curve

Contrast Brightness and Saturation

Processed in the Gimp with G'MIC plugin

G'MIC -> Details -> Dynamic range increase

Colors -> Brightness-Contrast

Croped and Scaled down

Not the best image but I was happy I can get some details with the light pollution and it being just a standard camera lens.

Most of the time was actually image transfer from Camera RAM through USB cable to computer, in the future I think I will leave the images on the sd card.

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	Basic success
Started	...
Astrometry.net job	1927466
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M42

M42

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Image Index:

Contribution Index (beta):

M42

M42

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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