Messier 78 (JHayes)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: HD288226 · HD288282 · HD288284 · HD290816 · HD290818 · HD290819 · HD290820 · HD290821 · HD290823 · HD290824 · HD290825 · HD290826 · HD290827 · HD290828 · HD290829 · HD290830 · HD290831 · HD290832 · HD290833 · HD290834 · HD290835 · HD290836 · HD290837 · HD290838 · HD290841 · HD290856 · HD290857 · HD290858 · HD290859 · HD290862 · And 41 more.

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Messier 78

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Messier 78

A reflection nebula and an area of active star formation discovered in 1780, Messier 78 (aka NGC 2068) is about 1,300 light-years from Earth. Shot in dark skies at Joshua Tree National Park - Bortle 2. Two mostly moonless nights in November 2023.

Lots of great Hydrogen Alpha around this one.

Stacking, gradient removal, and star color correction was done in AstroPixelProcessor.
Then Starnet++ to create a starless version.
Topaz DeNoise AI for noise reduction of the starless layer.
Finished in GIMP:
Created a stars-only layer (reduced opacity by about 50%).
Starless layer processed through multiple iterations of levels and curves.

This is one of several targets that suffer from walking noise with my Hyperstar configuration but luckily it was cropable, being outside the central area. Dithering was 10 pixels every 3 frames. I need to try to test at much more aggressive values. I have the same issue with the Witch Head nebula.

Original
Final
C

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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	8968730
PixInsight job	879L6YX50L2G5ZWY7ZLIWSQ9U5VO0I4Z
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h46m55s.77
RA (top/left)	05h42m33s.85
RA (top/right)	05h50m55s.54
RA (bottom/right)	05h51m17s.56
RA (bottom/left)	05h42m55s.80

Dec (center)	+00°09′36″.9
Dec (top/left)	+00°50′54″.5
Dec (top/right)	+00°58′41″.1
Dec (bottom/right)	-00°31′44″.5
Dec (bottom/left)	-00°39′27″.9

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Messier 78

Messier 78

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Messier 78

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