Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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The Cave Nebula, SH2-155 Hubble Palette, 



    
        

            Eric Coles (coles44)
The Cave Nebula, SH2-155 Hubble Palette
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The Cave Nebula, SH2-155 Hubble Palette

Imaging telescopes or lenses: RCOS 16" RC f/9

Imaging cameras: SBIG STXL-11002/FW8G-STXL

Guiding telescopes or lenses: RCOS 16" RC f/9

Guiding cameras: SBIG STXL-11002/FW8G-STXL

Software: Pixinsight 1.8  ·  Photoshop CS5  ·  Maxim DL Pro 5

Filters: Astrodon 3nm SII  ·  Astrodon 3nm OIII  ·  Astrodon H-alpha 3 nm


Dates:Aug. 27, 2016Aug. 28, 2016Aug. 29, 2016

Frames:
Astrodon 3nm OIII: 7x1800" (3h 30') bin 1x1
Astrodon 3nm SII: 6x1800" (3h) bin 1x1
Astrodon H-alpha 3 nm: 29x1800" (14h 30') bin 1x1

Integration: 21h

Avg. Moon age: 25.66 days

Avg. Moon phase: 16.56%


RA center: 22h57m16s.1

DEC center: +62°3614

Pixel scale: 0.507 arcsec/pixel

Orientation: 119.828 degrees

Field radius: 0.339 degrees


Resolution: 620x930

Locations: Sierra Remote Observatories, Shaver Lake, California, United States

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The Cave Nebula, SH2-155 Hubble Palette, 



    
        

            Eric Coles (coles44)