Hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  PGC143063  ·  PGC143064  ·  PGC1825385  ·  PGC1827052  ·  PGC1831259  ·  PK183+05.1
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WeSb 2 - Weinberger Sabbadin 2 - NEW Planetary Nebula, 


            Jerry Macon
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WeSb 2 - Weinberger Sabbadin 2 - NEW Planetary Nebula

Imaging telescopes or lenses: PlaneWave Instruments CDK14

Imaging cameras: ZWO ASI6200MM-PRO

Mounts: Paramount MEII with Absolute Encoders

Guiding telescopes or lenses: PlaneWave Instruments CDK14

Guiding cameras: Starlight Xpress Lodestar X2 Mono

Software: Nighttime Imaging ‘N’ Astronomy N.I.N.A.  ·  PixInsight 1.8  ·  StarNet++ .

Filters: Chroma 3nm Oiii 50mm  ·  Antlia RGB 50mm  ·  Antlia Ha 3nm 50mm

Dates:Jan. 10, 2021Jan. 11, 2021Jan. 12, 2021Jan. 17, 2021

Antlia Ha 3nm 50mm: 65x300" (gain: 100.00) -15C bin 1x1
Antlia Ha 3nm 50mm: 39x600" (gain: 100.00) -15C bin 1x1
Antlia RGB 50mm: 144x30" (gain: 100.00) -15C bin 1x1
Chroma 3nm Oiii 50mm: 18x300" (gain: 100.00) -15C bin 1x1

Integration: 14.6 hours

Avg. Moon age: 21.85 days

Avg. Moon phase: 8.34%

Bortle Dark-Sky Scale: 3.00

Temperature: -3.00

Astrometry.net job: 4181395

RA center: 6h 16' 11"

DEC center: +28° 22' 7"

Pixel scale: 0.301 arcsec/pixel

Orientation: 90.424 degrees

Field radius: 0.458 degrees

Resolution: 9106x6068

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


WeSb 2 is has only recently been included in the HASH database of PNs
This is the result of the first ever narrowband image of this PN produced by Peter Goodhew in December 2020. His excellent image is here on Astrobin: https://www.astrobin.com/5m0zfi/B/
Also known as PK183+05.1.

My Abell Collection is here:
Abell Planetary Nebulae
Currently 60+, and soon to be complete.

WeSb 2 was discovered by Ronald Weinberger and Franco Sabbadin in 1981. Details are included in their 1981 paper
and includes details of 5 other possible PN discoveries they made.
The info about WeSb2 included in this paper are:

"No 2: half ring with a mean thickness of 15" and m = 23.4 plus a rather homogeneous, hardly visible disk with m = 24.8. The overall diameter is 135"x135". Nothing visible on blue senstive print."

They point out that it is only a half disk, and hardly visible. Peter's and my images clearly show the disk with one side much weaker than the other side, essentially a half disk if not adequately imaged. The Ha is exceptionally weak, perhaps the dimmest Ha target I have imaged. And the Oiii is vastly dimmer than the Ha. No image whatsoever of either shows up on individual subs.

This is only the second narrow band image of WeSb 2 ever published.


Sky plot

Sky plot


WeSb 2 - Weinberger Sabbadin 2 - NEW Planetary Nebula, 


            Jerry Macon