Kohoutek 2-7 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: HD185516 · HD185689 · HD185726 · PK019-19.1

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Kohoutek 2-7

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Kohoutek 2-7

This Astrobin Debut Object is a faint planetary nebula located 6000 light years away in the constellation of Sagittarius at a declination of -20 degrees. It spans 2.5 arc-minutes in our apparent view. This corresponds to a diameter of 4 light years.

This is such a faint PN that a magnitude has not been identified for it. Its size is twice that of a typical PN, suggesting that this is an older (ancient) PN which has become diffuse and dim in its later life.

A bright star is seen in the center of the PN. I believe it is too bright to be the progenitor and that it is simply superimposed over the center of the nebula in a nice coincidence. Dana Patchick has since confirmed this for me. The progenitor star is the very faint star just to the left of the central bright one.

Texas Astronomy
Kohoutek Planetary Nebulae
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Planetary Nebulae
Unique or Unusal Deep Sky Targets
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Cloudy Nights
ZWO ASI294MM Pro Images
First on Astrobin
Schmidt-Cassegrain Telescope (SCT) Imagers
Rarely Imaged Small DSOs

All of My PN Images (264)
Astrobin Debuts (670 DSOs)
Kohoutek PN Catalog (24)

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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	Advanced success
Started	...
Astrometry.net job	6916955
PixInsight job	JAT8ELYBQG087MD8KKEC5VMWTZX41RWD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h40m29s.142
RA (top/left)	19h41m14s.583
RA (top/right)	19h39m43s.200
RA (bottom/right)	19h39m43s.638
RA (bottom/left)	19h41m15s.335

Dec (center)	-20°27′05″.66
Dec (top/left)	-20°19′22″.25
Dec (top/right)	-20°19′35″.72
Dec (bottom/right)	-20°34′48″.83
Dec (bottom/left)	-20°34′34″.74

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Kohoutek 2-7

Kohoutek 2-7

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Kohoutek 2-7

Kohoutek 2-7

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