Faint Planetary Nebula in Pyxis

Constellation: Pyxis
Ra: 09h 05m 05s
Dec: -30d 33m 12s
Distance: Not available
Image Size: 32.5' x 32.5'
North: Up and Left; East down and left



G255.8+10.9 (FP0905-3033) is an extremely faint 11′ planetary nebula in the southern constellation of Pyxis. It is described as an “interesting one-sided planetary nebula confirmed spectroscopically and with CSPN” (central star of planetary nebula). There is little technical information about this object and few images, so this image may be the deepest available, showing both the arc-shaped OIII and H-a + N[II] emissions. It is embedded in emission nebulosity, likely part of the large Sharpless Sh2-312 emission nebula. The planetary nebula structure was brought out with narrowband filters and short RGB data were added for star colors.

Exposure: 28.5 hrs Total: 14h OIII, 13 hrs H-a, 1.5 hrs RGB
Telescope: PlaneWave CDK20, 0.5 m f/6.8 0.54 arcsec/pix
Mount: PlaneWave Ascension 200h
Oag: Astrodon MonsterMOAG
Acquisition: ACP-Expert
Calibration: CCDStack2
Observatory Site: iTelescope, Siding Spring, NSW, Australia
Camera: SBIG STX 16803
Filters: Astrodon 5nm H-a, 3nm OIII, Gen 2 RGB
Guider: Starlight Xpress Lodestar
Camera Operation: Maxim 5.24
Processing: Photoshop CC 2020
Image Date: 12/25/2019 - 02/29/2020


  1. Josep Drudis

    Beautiful!! Really an interesting planetary. Its shape reminds me of RCW 86, a supernova remnant of which you already have a nice image. Great image!!

  2. Sakib

    Another Don Goldman first! With OIII added, it certainly looks more like a PN. It reminds me a little bit of Fr 2-24. Keep the unphotographed stuff coming!


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