Observation by Peter Goodhew FRAS: Kn26 - a rare quadrupolar planetary nebu...

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Peter Goodhew FRAS

Observer

Peter Goodhew FRAS

Observed

2021 Aug 20 - 18:03

Uploaded

2021 Aug 21 - 18:03

Objects

Sharpless 114

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Constellation

Cygnus

Field centre

RA: 21^h23^m
Dec: +38°58'
Position angle: -0°58'

Field size

0°10' × 0°07'

Equipment

APM TMB LZOS 152 Refractors
QSI6120 CCD Cameras
10Micron GM2000 HPS mount

Exposure

26 hours HaOIIILRGB

Location

Fregenal de la Sierra, Spain

Target name

Kn26

Title

Kn26 - a rare quadrupolar planetary nebula

About this image

Kn26 is a small (110 arc seconds) planetary nebula in the constellation Cygnus. It lies very close to the relatively giant Flying Dragon Nebula (Sharpless-114) part of which can be seen to the right of the wide-field image.

Kn26 was discovered by Austrian amateur astronomer Matthias Kronberger in 2006, although it wasn't spectroscopically confirmed as a planetary nebula until 2011.
In 2012 it was established that it was a new member of the very small sub-class of quadrupolar planetary nebulae (https://www.aanda.org/articles/aa/pdf/2013/03/aa20592-12.pdf).

Almost all of the detailed structure is found in the Ha emission. 12 hours of OIII data only revealed the central core with no structural detail.

Files associated with this observation

Kn26 crop.jpg (450.1 kB)

Like this image

Manolo_Rodriguez, Nik Szymanek, Callum Potter, Peter Carson

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