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Contains:  Bubble nebula, NGC 7635
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NGC 7635 Bubble Nebula, 


            Michael Timm
NGC 7635 Bubble Nebula

NGC 7635 Bubble Nebula

Technical card

Resolution: 7674x4774

Dates:Sept. 18, 2018Oct. 13, 2018

Frames:Baader Neodymium (Moon & Skyglow): 81x300" (gain: 120.00) -10C bin 1x1

Integration: 6.8 hours

Darks: ~15

Flats: ~25

Flat darks: ~25

Avg. Moon age: 6.58 days

Avg. Moon phase: 42.42%

Bortle Dark-Sky Scale: 4.00 job: 2402682

RA center: 350.183 degrees

DEC center: 61.185 degrees

Pixel scale: 0.299 arcsec/pixel

Orientation: 276.666 degrees

Field radius: 0.375 degrees

Locations: Backyard, Vechelde, Niedersachsen, Germany

Data source: Backyard


My plan was to take more than 10 hours of the bubble during fall. Well, i failed that, but this image is better than expected. I really thought that all lights i took were ruined and i nearly deleted all of them a few days ago. But yesterday i tried several things and found out that, if i stack them without any bias frames, they are ok. Not good, but ok. If i stack them with bias frames the result looks like a Andy Warhol picture??!?

Whatever, so here is the result of my fall project. I really love the bubble-nebula. The name is quite funny but fits exactly to NGC 7635. I am not sure if the colors are really natural, but i tried my best. The Baader Neodymium makes postprocessing really hard for me.



Michael Timm
License: None (All rights reserved)

Sky plot

Sky plot


NGC 7635 Bubble Nebula, 


            Michael Timm