Kohoutek 1-16 (PN K 1-16)
Kohoutek 1-16 (PN K 1-16) |
|
|
|
|
||
|
|
||
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 | |
| Notes: | ||
|
|
||