PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion (Jerry Macon)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: PK193-09.1

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PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

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PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

This tiny planetary nebula in Orion is only 0.4 arc minutes in diameter, is perfectly round, and has a very large central progenitor star. It is very rarely imaged, there being only two earlier versions on Astrobin. It is exceptionally bright, the pure RGB image showing it quite well. This image has a small amount of Ha and Oiii added. They are close to the same strength.

This image shows a very large and prominent Carbon Star near the bottom of the image. This Carbon star is designated LEE 27 and is a very strong red color. The Red signal is 20 times stronger than the Green, and the Green is 10 times stronger than the Blue.
Quite striking it seems to me. Most Carbon stars I think are much smaller than this one.

Other versions:
This Ha/Oiii version by Ian https://www.astrobin.com/fhxab8/ shows some nice internal structure.

This RGBHaOiii version by Peter Goodhew https://www.astrobin.com/wl98fn/F/ shows a very nice Oiii halo that extends out to 1.75 arc minutes. This halo was only discovered in 2019 by the Galactic Planetary Nebula Halo Survey (GPNHS) team (a collaboration of some of the world's best astrophotographers led by Sakib Rasool. Peter's 37 hours of exposure is obviously what it takes to get a good image of the halo.

My Collections:
Abell Planetary Nebulae (Complete)
Planetary Nebulae
Galaxies
Sharpless 2 Objects

Planetary Nebulae

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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.

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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.
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Status	Advanced success
Started	...
Astrometry.net job	4777258
PixInsight job	UDZ1FOXCVUH276EMY7KZS71X80PV8CCC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h40m44s.816
RA (top/left)	05h40m07s.921
RA (top/right)	05h40m07s.854
RA (bottom/right)	05h41m21s.647
RA (bottom/left)	05h41m21s.818

Dec (center)	+12°21′23″.71
Dec (top/left)	+12°32′43″.50
Dec (top/right)	+12°10′04″.91
Dec (bottom/right)	+12°10′03″.50
Dec (bottom/left)	+12°32′41″.90

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PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

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PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

PK 193-9.1 (Haro 6-75, ARO 218) Planetary Nebula in Orion

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