CTB1 Supernova Remnant in Cassiopeia

    CTB1 (G116.9+0.2) Galactic Supernova Remnant in Cassiopeia


    Technical Details:

    Object: CTB1 (G116.9+0.2) Galactic Supernova Remnant in Cassiopeia
    Observing Site: Azor Observatory, Las Rozas, Madrid, Spain. 18.84 mag arcsec-2
    Dates: September 13 and 19 (Ha), September 30 and October 1 (OIII), October 2nd and 3rd (SII) 2008 
    Camera: SBIG STL-11000M @ -15ºC
    Telescope: ASA N10 Astrograph @ f/3.6, Astrophysics AP1200 mount
    Filters: Astrodon 6nm H alpha, OIII and SII
    Exposure: 30 hours 30 minutes. Ha 660 min (22x30 min subs), OIII 690 min (23x30 min subs), SII 480 min(16x30 min subs)
    Processing Software: Maxim DL(data reduction and stacking), Photoshop (processing and color)
    Comments: HST Palette. OIII and SII (bin 2x2). CCD Commander used for unattended data acquisition. Shown at 50% size


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