Deep Orion (Björn Hoffmann)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Great Orion Nebula · IC 420 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · Orion Nebula · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · Upper Sword · the Running Man Nebula

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Deep Orion

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Deep Orion

After weeks of clouds I had a few hours of clear sky again. My goal was to test the dynamic range of my new camera, so I acquired a lot of 120sec exposures or Orion at unity gain. For safety I also did some 30sec exposures, but they are not added to this dataset.

I find it extremely impressive what is possible from my bortle 8 city sky! The L-eNhance makes it possible.

For this image I first stacked everything in APP, but I extracted Luminance, OIII and Ha with the different debayer algorithms and I also used a 0.6 scale to fight the noise. Then I combined everything again in a painful fight of thousand sliders. Finalization was done in LR, PS and the mighty Topaz Denoise.

Original
Final
B

B

Description: Another round of noise reduction

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	Distinct awarded users	Total awarded images
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	4147139
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Deep Orion

Deep Orion

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Image Index:

Contribution Index (beta):

Deep Orion

Deep Orion

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

In these public groups

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