Celestial hemisphere:  Northern  ·  Constellation: Pegasus (Peg)
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Likely Planetary Nebula Patchick 165 and a Super Nova Remnant, Jon Talbot
Likely Planetary Nebula Patchick 165 and a Super Nova Remnant
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Likely Planetary Nebula Patchick 165 and a Super Nova Remnant

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Likely Planetary Nebula Patchick 165 and a Super Nova Remnant, Jon Talbot
Likely Planetary Nebula Patchick 165 and a Super Nova Remnant
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Likely Planetary Nebula Patchick 165 and a Super Nova Remnant

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Description

Patchick 165 (Pa165) is a small (3.1 arc min) and very faint "likely" planetary nebula in the constellation Pegasus. It was discovered by amateur planetary nebula hunter Dana Patchick on November 4, 2016. A year later, on August 17-18, the candidate object was imaged by the 4 Meter Mayall telescope on Kitt Peak (See attached image below). The Kitt Peak image confirmed the possibility of a planetary nebula and the object was upgraded to "Likely Planetary Nebula" in the HASH database. The Kitt Peak image shows a neat filamentary structure with many loops within the OIII.  Only a small portion of the brighter ones were resolved in my 6" refractor.

This is the first amateur image of this object that I know of.  Pa 165 is extremely faint and nearly 20 hrs of data in the Hydrogen Alpha band (Ha) and 19hrs in Oxygen III (OIII) were needed just to show it here. As can be seen on the below Ha and OIII images, the object shows more detail and is more prominent in OIII.  OIII has the color of bluish/green and can be seen in the color image. There are the telltale signs of Ha along the edges shown in Red but the OIII dominates. Very close to Pa 165 is the huge Super Nova Remnant G070.0-21.5.  See this awesome image by Bray Falls (https://www.astrobin.com/lhhcr5/).   It lies 39 arc minutes to the west. The super nova remnant shows the tell tale signs of red Ha emission. Within the background of the full FOV image are faint clouds of Ha emission and dust. Also, several faint galaxies appear across the image and many faint uncatalogued ones. Pa 165 is located at RA 21 38 53.579, DEC +18 40 11.13

Patchick 165_full_crop.jpg
Full resolution crop of Pa 165

Pa 165  Kitt Peak 4 Meter image.jpg
4 Meter Mayall Telescope (Kitt Peak) verification image of Pa165 (August 2017), Courtesy Matthias Kronberger, Dianne Harmer and George Jacoby  (NOIRLab)
Patchick165_DZ_Ha.jpg
20 hr Ha image of Pa165 with my Stellarvue SVX 152T

Patchick165_DZ_OIII.jpg
19 hr OIII image of Pa 165 taken with my Stellarvue SVX 152T

Patchick165_Annotated_crop.jpg
Crop of the annotated image.

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