Kohoutek 2-2 (astroian)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon)

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Kohoutek 2-2

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Kohoutek 2-2

Also known as PK 204.1+4.7, Kohoutek 2-2 is a large, faint planetary nebula in the constellation of Monoceros. It is probably an old planetary nebula and appears embedded within a complex of even fainter nebulosity. Whether this is part of the original star’s red giant envelope or is something unrelated is unknown to me.

According to The Simbad database, the planetary nebula has a diameter of 6.9’ and a distance of 2816 light years. There doesn’t appear to be much more information than that available about this particular planetary nebula.

After stacking the subs in PixInsight I then separated the stars and nebula and processed them separately, before recombining to get the final colour image. I would have liked to replace the NB stars with RGB stars but ran out of time. For both stars and nebula the red channel is 100% Ha, the green channel is 50% Ha, 50% O3 and the blue channel is 100% O3.

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	2646826
PixInsight job	J77TA9AD2L5Y4XN00W1XR8PB5S3205BH
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h52m22s.265
RA (top/left)	06h51m37s.745
RA (top/right)	06h53m08s.588
RA (bottom/right)	06h53m06s.732
RA (bottom/left)	06h51m36s.300

Dec (center)	+09°57′58″.33
Dec (top/left)	+10°05′34″.74
Dec (top/right)	+10°04′53″.60
Dec (bottom/right)	+09°50′21″.14
Dec (bottom/left)	+09°51′01″.48

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Kohoutek 2-2

Kohoutek 2-2

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Kohoutek 2-2

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