Observation by Peter Goodhew FRAS: Kohoutek 1-16

Uploaded by

Peter Goodhew FRAS

Observer

Peter Goodhew FRAS

Observed

2022 Apr 19 - 14:28

Uploaded

2022 May 02 - 14:30

Equipment

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

Exposure

51 hours 55 minutes image capture (HaOIIIRGB)

Location

Fregenal de la Sierra, Spain

Title

Kohoutek 1-16

About this image

Kohoutek 1-16 (K 1-16) is a planetary nebula in the constellation Draco. It has very low surface brightness, and is around 7,000 light year from Earth.
It's central progenitor star is a very hot (over 80,000 K) pulsating variable white dwarf called DS Dra. The dominant pulsating period is 28.3 minutes.
The nebula has a diameter of 1.6 arcmin.
Immediately below, and very slightly offset to the left of K1-16 is a bright (14th mag) blue star which is quasar KUV 18217+6419, one of the brightest objects of this type in the sky. It is around 3.4 billion light years away.

Files associated with this observation

K1-16.jpg (1.3 MB)

Like this image

Alan Thomas, Mike Harlow, Callum Potter, Graham Winstanley, Peter Carson

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