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Contains:  M 52, NGC 7654, Bubble nebula, NGC 7635, NGC 7538, NGC 7510
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NGC7635 with a small PN in Ha, 


NGC7635 with a small PN in Ha

NGC7635 with a small PN in Ha

Technical card

Imaging telescope or lens:TS OPTICS TS 70/474 Quadruplet

Imaging camera:ZWO ASI 1600MM Pro

Mount:iOptron CEM60

Guiding telescope or lens:TS OPTICS TS 70/474 Quadruplet

Guiding camera:ZWO ASI178MM

Software:PixInsightNINAPHD Lab PHD2 Guiding

Filter:Baader Ha 3.5nm 31mm

Accessories:ZWO EFW 7x31mmZWO OAG

Resolution: 4644x3504

Dates:Sept. 28, 2019

Baader Ha 3.5nm 31mm: 10x300" (gain: 170.00) -15C bin 1x1
Baader Ha 3.5nm 31mm: 3x600" (gain: 170.00) -15C bin 1x1

Integration: 1.3 hours

Darks: ~10

Avg. Moon age: 29.22 days

Avg. Moon phase: 0.11%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 21.26

Temperature: 10.00 job: 2954030

RA center: 23h 18' 12"

DEC center: +60° 59' 34"

Pixel scale: 1.637 arcsec/pixel

Orientation: 63.030 degrees

Field radius: 1.322

Locations: Observatoire Perso, Bougneau, Charente Maritime, France

Data source: Backyard


Here is my last NGC7635 done with new Baader narrowband filters. At the bottom of the image below the Bubble you can observe a smal planetary nebulae called KjPn 8 or PLN 112-0.1.
KjPn 8 (PLN 112-0.1) is an unusually-shaped (14′ x 4′) planetary (PN) nebula located in the Constellation of Cassiopeia at RA 23h 24m 10s and DEC +60d 57m 30s. It is partially embedded in hydrogen nebulosity from the Bubble Nebula complex and the open cluster, M52. The signal is mainly in Ha and a small amount in OIII (I have very small signal with SII 7nm).


Voici ma dernière NGC7635 réalisé avec les nouveaux filtres à bande étroite de Baader. Au bas de l'image, sous la bulle, vous pouvez observer une petite nébuleuse planétaire appelée KjPn 8 ou PLN 112-0.1.
KjPn 8 (PLN 112-0.1) est une nébuleuse planétaire (PN) de forme inhabituelle située dans la constellation de Cassiopée à RA 23h 24m 10s et DEC + 60d à 57m 30s. Elle est partiellement noyée dans la nébulosité d'hydrogène du complexe de la nébuleuse de la Bulle et de l'amas ouvert M52. Le signal est principalement en Ha et un peu en OIII (j'ai un très petit signal avec SII 7 nm).



License: Attribution-NonCommercial-ShareAlike Creative Commons


  • Final
    NGC7635 with a small PN in Ha, 


  • NGC7635 with a small PN in Ha, 




A close-up on KjPn 8

Sky plot

Sky plot


NGC7635 with a small PN in Ha,