Celestial hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  PGC 2668170  ·  PGC 84884  ·  PK094+27.1
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Kohoutek 1-16, Peter Goodhew
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Kohoutek 1-16, Peter Goodhew
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Description

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.

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