Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  M 52  ·  M52  ·  NGC 7635  ·  NGC 7654  ·  NGC7635  ·  PK112-00.1  ·  Sh2-162
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Bubble nebula and KjPn8, 


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Bubble nebula and KjPn8

Technical card

Imaging telescopes or lenses: Lacerta Photonewton

Imaging cameras: Moravian Instruments G2-8300FW

Mounts: Skywatcher AZ-EQ6

Guiding telescopes or lenses: Skywatcher 9x50 finder

Guiding cameras: Lacerta MGEN

Software: Photoshop  ·  Pleiades Astrophoto, S.L. Pix Insight  ·  Straton

Filters: Baader LRGB 31mm  ·  Astronomik H-alpha 6nm  ·  Baader O-III

Accessory: Skywatcher/Lacerta GPU comacorrector

Dates:Oct. 1, 2015

Frames: 66x660"

Integration: 12.1 hours

Avg. Moon age: 18.65 days

Avg. Moon phase: 83.90%

Astrometry.net job: 3283092

RA center: 23h 21' 43"

DEC center: +61° 11' 15"

Pixel scale: 1.114 arcsec/pixel

Orientation: -89.516 degrees

Field radius: 0.649 degrees

Resolution: 3350x2520

Locations: my lovely garden, near Vienna, Austria

Data source: Traveller


Next to the Bubble Nebula, here on the lower right, lies a bipolar planetary nebula designated KjPn8 or Kazarian-Parsamian 8. Virtually nobody knows that, me too, until Stefan Lilge from Berlin noted it on one of the boards. It consists of a loop of Hydrogen filaments, and two brighter shock fronts on each side. In the center e newer and small bright red PN has formed, making it ia multi-layered object.


Sky plot

Sky plot


Bubble nebula and KjPn8,