Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  NGC 7635  ·  Sh2-162
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            Massimo Ermanni
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Imaging telescopes or lenses: Skywatcher Newton 200/1000

Imaging cameras: ATIK Infinity OSC

Mounts: Skywatcher EQ5 GoTo

Software: Cyanogen MaximDL 6 Pro  ·  EQASCOM  ·  Pixinsight 1.8

Accessory: QHYCCD PoleMaster Polar Scope

Dates:Jan. 13, 2018

Frames: 240x30" (2h)

Integration: 2h

Avg. Moon age: 26.32 days

Avg. Moon phase: 11.22%

RA center: 23h20m40s.56

DEC center: +61°1124.5

Pixel scale: 1.328 arcsec/pixel

Orientation: 2.944 degrees

Field radius: 0.290 degrees

More info:Open 

Resolution: 917x1281

Data source: Backyard


NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575. Distance 7100 to 11000 ly.


Sky plot

Sky plot




            Massimo Ermanni