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27th October - 5th November 2017
BUBBLE NEBULAÂ NGC7635
NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is an emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster M52. The "bubble" is created by the stellar wind from a massive hot young central. The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow.
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Equipment:
Telescope: SW ED80 Pro
Guide Scope: SW ST80 with Orion Starshoot
Mount: NEQ6 Pro
Camera: Atik 460ex Mono
Filter Wheel: Atik FW2
Filters: Baader Narrowband
Ha 12 x 1200 seconds
Oiii 11 x 1200 seconds
Sii 12 x 1200 seconds
Total Integration 11 hours 40 minutes
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