Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2) (Mau_Bard)

Celestial hemisphere: Northern · Constellation: Boötes (Boo) · Contains: PGC 2406000 · PGC 2406314 · PGC 2406479 · PGC 2406776 · PGC 2407759 · PGC 2410874 · PGC 2411967 · PGC 2413542 · PGC 2414507 · PGC 2415662 · PGC 2415815 · PGC 2417694 · PGC 2417727 · PGC 2417826 · PGC 2420617 · PGC 2420869 · PGC 2421818 · PGC 55065 · PGC 84551 · PGC 84554 · PK085+52.1

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Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

Powered byPixInsight

Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

I recorded this image during two full moonless nights on 27 and 28 March 2022, with a cooled color camera and a dual-narrowband-filter, from my suburban Bortle 7 backyard. The sky was darkest allowed by the location, and seeing was good, and deteriorated a bit the second night.
My original plan was to gather 4 nights of data, but the weather turned permanently bad, so I resolved to develop the picture with the frames already taken and see if at least the nebula was visible. H-a was nearly absent, while the OIII signal was clearly there, though extremely weak. I did my best to amplify it and make it visible.

There is not so much information available regarding Jacoby 1. It is one of the faintest PNs in the North sky, and it was discovered in 1993 by G.H. Jacoby and G. van de Steene with one of the Kitt Peak telescopes. The central star PG 1520+525, is visible in the picture.

The nebula is just for a few arcminutes in Bootes, close to the boundary with Draco.

Imagers of Italy
Narrowband imaging
Optolong L-eXtreme filter
ZWO ASI 2600MC PRO
Light Polluted skies
Suburban Astrophotography
PixInsight Addicts
Unique or Unusal Deep Sky Targets
N.I.N.A. Users
Rarely Imaged Small DSOs
Imaged with N.I.N.A.
Planetary Nebulae

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Status	Advanced success
Started	...
Astrometry.net job	5634194
PixInsight job	ZQK9KX8758SSDQOE54XQTRXKVMIZA9T5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	15h21m47s.910
RA (top/left)	15h26m01s.610
RA (top/right)	15h17m37s.907
RA (bottom/right)	15h17m38s.363
RA (bottom/left)	15h25m53s.387

Dec (center)	+52°21′57″.34
Dec (top/left)	+52°44′40″.90
Dec (top/right)	+52°45′38″.10
Dec (bottom/right)	+51°58′44″.13
Dec (bottom/left)	+51°57′44″.57

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Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

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Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

Diamond Ring - Jacobi1 Planetary Nebula - PK 085 + 52.1 (v2)

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