SH2-119 (Götz Golla)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: NGC 7044 · The star 68 Cyg

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SH2-119

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SH2-119

For this image of SH2-119 I had to integrate quite a long time in OIII. I tried a new technique of subtraction the stars before GHS and putting them back afterwards.

Halpha, SII and OIII channels were stretched first
then they were added with pixelmath
then I subtracted the stars from the image
GHS was applied on the starless image
in the star mask the PSF of all stars were determined and the image of the stars was resynthesized
finally the synthetic stars and the GHS-stretched starless image where combined with Sirils star recomposition tool, applied GHS to the synthetic stars and adjusting the blackpoint of the startless image

Very little post-processing was done in Rawtherapee. Most of the work was done in Siril.

Sharpless2 Objects
GHS Made a Substantial Difference
Astrophotography Germany
Takahashi Epsilons

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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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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
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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	8448910
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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SH2-119

SH2-119

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SH2-119

SH2-119

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