M 42 Orion Nebula (Kent DeGroff)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 43 Ori) · Great Orion Nebula · M 42 · M 43 · Mairan's Nebula · NGC 1976 · NGC 1982 · Orion Nebula · The star Mizan Batil II (θ2 Ori · The star Trapezium (θ1 Ori A · The star θ1 Ori C · The star θ1 Ori D

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M 42 Orion Nebula

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M 42 Orion Nebula

This object is located 600 light-years away from us near the 2.2 magnitude star, Gamma Cassiopeia, which is only about 4 light years from the nebula. Outside the FOV, toward the bottom right, Gamma Cas is a variable star with surface temperature hotter than our sun.

Responsible for the appearance of the nebula, you can see that the "leading edge" of IC 59, in the direction of Gamma Cas, is glowing red from the intense radiation. The dust of the blue reflection nebula is behind it. The hydrogen is slowly dissipating. The bright partial nebula at lower left is part of IC 63 where the same thing is happening.

This image was processed to optimize the appearance of the nebula. The stellar limiting magnitude was decreased relative to the nebula to accomplish this.

Image Details: QHY 168M Camera, 60x30s CFA

Observatory: 10' Home Dome with DDW, Astro-physics 1200 GTO mount

OTA: 457mm F/4.2, MPCC, OAG, Robofocus

Software: SGP, PlateSolve2, PHD2, PixInsight, GIMP, Starnet

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	8447951
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M 42 Orion Nebula

M 42 Orion Nebula

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Image Index:

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M 42 Orion Nebula

M 42 Orion Nebula

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