The Crescent Nebula NGC 6888 CFHT Palette

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    Here is another narrowband version of the Crescent, this time using the Canada France Hawaii Telescope palette (CFHT Palette) technique, the colors are assigned with Ha = Red, OIII = Green, SII = Blue

    Total Exposure time 30 hours

    Thanks for looking and clear skies
    Down Under Observatory
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    Image Information
    Location: DownUnder Observatory, Fremont MI
    Date of Shoot 22nd, 23rd, 25th July, 26th through to 8th Aug 2012
    OIII 28 x 30 mins binned 2x2
    SII 24 x 30 mins binned 2x2
    HA 8 x 30 mins unbinned
    Camera: QHY9M monochrome CCD, cooled to -30C
    StarlightXpress Color Filter Wheel
    Scope: Astronomy Technologies Astro-Tech 12" f/8 Ritchey-Chrétien astrograph
    Autoguided using StarlightXpress Lodestar autoguider, StarlightXpress Ultra Slim Off Axis guider
    Paramount GT-1100S German Equatorial Mount (with MKS 4000)
    Image Aquisition software Maxim DL5
    Stacking software CCDStack
    Post Processing Photoshop CS5

    hauken87, impactflash, and 14 other people added this photo to their favorites.

    1. s.arrigoni 33 months ago | reply

      Very nice image Terry, a tons of detail!

    2. LeBaron8285 [deleted] 33 months ago | reply


    3. Le.Sanchez 33 months ago | reply

      really great!

    4. erwin kats 33 months ago | reply

      Thats a great capture Terry !

    5. astrochuck 33 months ago | reply

      Very nice all the different palettes for comparison, your previous HST is my favorite.

    6. Terry Hancock 33 months ago | reply

      thanks Stefano, clear skies mate
      thanks Nicholas for the nice comment
      thanks Laura, glad you like it!
      thanks so much Richard
      thanks Erwin, keep up the fantastic work
      thanks Chuck, I think I preffer the hubble palette also, keep up the great work

    7. pinghu1979 33 months ago | reply


      Comentada en Los mejores momentos de tu día. Commented on Los mejores momentos de tu día


    8. Marco Pozzi photographer (600k+ views, thanks) 33 months ago | reply

      YO NO ME ENCUENTRO A MI MISMO CUANTO MÁS ME encuentro por sorpresa cuando menos lo espero !
      TU FOTO ES ORO !

    9. Henry Weiland 29 months ago | reply

      The amount of detail you capture in all your photos never ceases to absolutely blow me away Terry. Another favourite!

    10. Terry Hancock 29 months ago | reply

      thank you Henry, your words mean a lot! clear skies and I hope those winds don't upset your imaging :)

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