M42 - The Great Nebula In Orion (BensAstroStuff)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 41 the01 Ori · 43 Ori) · 43 the02 Ori · 44 Ori) · 44 iot Ori · Great Orion Nebula · HD36742 · HD36782 · HD36866 · HD36884 · HD36917 · HD36939 · HD36981 · HD36982 · HD36983 · HD36999 · HD37000 · HD37042 · HD37061 · HD37062 · HD37114 · HD37115 · HD37150 · HD37174 · Hatysa · LBN 974 · LDN 1640 · And 14 more.

M42 - The Great Nebula In Orion

Images taken with a newly collimated telescope, over the course of a few hours, after many previous hours of frustration dealing with one weird issue after another.

Anyway.... I haven't shot M42 since 2021, and I figured it's a good target to work the bugs out. I decided to push myself into something new and make an 'HDR' image that doesn't blow out the Trapezium and yet still has detail in the darker areas. I think it turned out pretty good!

Taken with a OSC camera (ASI553), no filters.

I created four stacks with different sub-frame exposure times, all with a gain of 0 to get the maximum well depth, and at -10c. 15, 30, 60 & 300 seconds. I then aligned and stacked those four in median mode with Siril. This gave me the depth I needed to not blow out the core.

After the final stack, I background extracted, color calibrated, and stretched the image in Siril. Then I exported a TIFF format image, which I opened in Gimp. I did some tweaking to the colors, then used the 'Sharpen [Tones]' G'MIC filter with values set to 'Normalize Luma'. This pulled more detail out and also improved the contrast around the Trapezium.

LVAAS Astroimaging
FriendlyCosmos

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	8906025
PixInsight job	ZYFMDZ001U1BXDATNG1564TD7RM7Y78R
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h34m44s.13
RA (top/left)	05h33m14s.10
RA (top/right)	05h32m54s.50
RA (bottom/right)	05h36m14s.58
RA (bottom/left)	05h36m33s.76

Dec (center)	-05°33′33″.5
Dec (top/left)	-05°06′17″.8
Dec (top/right)	-05°55′59″.9
Dec (bottom/right)	-06°00′50″.1
Dec (bottom/left)	-05°11′05″.0

Image Index:

Contribution Index (beta):

M42 - The Great Nebula In Orion

M42 - The Great Nebula In Orion

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

Image Index:

Contribution Index (beta):

M42 - The Great Nebula In Orion

M42 - The Great Nebula In Orion

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information