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        - Main camera: Apogee ALTA U16M (KAF16803) + Flattener 67 -> 1.68"/pix
        - Guiding camera: ATIK 314L+ in bin 2
        - Filters: L-RGB-Ha-OIII-SII Astrodon Gen2
        - Refractor: TAKAHASHI TOA150 - Focal length 1100mm
        - Mount: mini-OHP with MCMT system
        - Dome: Scopedome 3m
        - Integrationn, pre-treatment and treatment: PRISM v9, IRIS and Photoshop
  Dark Tower Nebula
  Main object
SFO82Dark Tower
  Catalogue    Sugitani, Fukui, Ogura
  Autres objets    - SFO 82 -
  Month    August
  Year    2017
  Constellation    Scurpius
  L    0
  RGB    0
  Ha    800 (13 hours and 20 minutes)
  O3    600 (10 hours and 0 minutes)
  S2    600 (10 hours and 0 minutes)
  Total    2000 (33 hours and 20 minutes)
  Format    1x1
  Number    82
  Link    Full size picture
  Link    Labeled picture
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