Sharpless 86

    Sharpless 86 (NGC 6820) and NGC6823 open cluster in Vulpecula


    Technical Details:

    Objects: Sh2-86 (NGC6820) and NGC6823 open cluster in Vulpecula
    Observing Site: Azor Observatory, Las Rozas, Madrid, Spain. Sky brightness 18.84 mag arcsec-2
    Dates: 2009 August 25-28 
    Camera: SBIG STL-11000M  @ -10ºC 
    Telescope: ASA N10 astrograph @ f/3.8, Astrophysics AP1200 mount
    Filters: Astrodon 6nm Ha, SII and OIII
    Exposure: Total exposure 22 hours. Ha 690 minutes (23x30 min subs); SII 390 min (13x30); OIII 240 min (8x30)
    Processing Software: Maxim DL, Photoshop
    Comments: CCD Commander used for unattended data acquisition. HST Palette. Shown at 50% size


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