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Contains:  M 52, NGC 7654, Bubble nebula, NGC 7635, NGC 7538, The star 4Cas
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Bubble Nebula and M52 Widefield (version 2), 





    
        

            Prabhakar
Bubble Nebula and M52 Widefield (version 2)

Bubble Nebula and M52 Widefield (version 2)

Technical card

Imaging telescope or lens:Takahashi FSQ85

Imaging camera:QSI683wsg

Mount:Orion Atlas EQ-G + EQDIR

Guiding telescope or lens:Takahashi FSQ85

Guiding camera:Lodestar

Software:Startools 1.3.5

Filter:Astrodon LRGB Tru-Balance E-series Gen II

Accessory:USB FOCUS USB_focus

Resolution: 1621x1227

Dates:Nov. 13, 2014

Frames:
Astrodon LRGB Tru-Balance E-series Gen II: 15x300" -20C bin 1x1
Astrodon LRGB Tru-Balance E-series Gen II: 15x300" -20C bin 2x2

Integration: 2.5 hours

Avg. Moon age: 21.13 days

Avg. Moon phase: 60.77%

Bortle Dark-Sky Scale: 2.00

Astrometry.net job: 467216

RA center: 350.206 degrees

DEC center: 61.191 degrees

Orientation: 85.789 degrees

Field radius: 1.398 degrees

Description

NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star.

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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Image captured at Kissimmee Prairie State Park, Florida

Comments

Author

neomonks
Prabhakar
License: Attribution Creative Commons
2040
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Revisions

  • Bubble Nebula and M52 Widefield (version 2), 





    
        

            Prabhakar
    Original
  • Bubble Nebula and M52 Widefield (version 2), 





    
        

            Prabhakar
    B
  • Final
    Bubble Nebula and M52 Widefield (version 2), 





    
        

            Prabhakar
    C

Sky plot

Sky plot

Histogram

Bubble Nebula and M52 Widefield (version 2), 





    
        

            Prabhakar