Kohoutek 1-16 (PN K 1-16)

100%  resolution (1.4MB)

Object identification (1.4MB)

150%  crop (0.2MB)

Object data of PN K 1-16

Object type: Planetary nebula
Size: 1.6'
Magnitude: -
Constellation: Dra
Distance: 7,000 Ly
Notes: Kohoutek 1-16 is a planetary nebula in the constellation Draco with a low surface brightness and a diameter of about 1.6 arcmin. The central star of this planetary nebula is a very hot pulsating star, known as DS Dra.

The object identification image shows the 14 mag quasar [HB89] 1821+643 near the southeastern edge of PN K 1-16. This quasar is embedded in a 3.3 billion light-years distant galaxy cluster.

To the east of PN K 1-16 one can find an extremely reddish star. This star is known as IY Dra, a pulsating Mira variable.

Exposure data

Date: 2018-07-02 until 2018-08-20 (17 nights)
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1 / Ha 5nm 1x1 / [OIII] 3nm 1x1
Mount: ASA DDM85
Exposure time: L 100x2min / RGB 36x2min each / Ha 92x8min / [OIII] 92x8min
Exposure time total: 31h 28min