M83 - Southern Pinwheel Galaxy
  • Details
    Date Taken: 05/15/2010
    Location: Mt Martha, Victoria, Australia
    Telescope: GSO 10 inch RC F8
    Mount: G11 with Gemini L4
    Camera: QHY9
    Processing: CCD Stack: darks and bias subtracted (no flats), image normalised, defects subtracted, luninance images summed, RGB images mean stacked, all files registered and algined, and Photoshop CS3: FITS liberator RGB combined, and luminance layered in for detail and brightness. Used High pass filter for emphasizing dark lane detail.
    Exposure: LRGB, L binned 2x2 10min subs x 8, RGB binned 3x3 5min subs x 6 per channel, total 170 minutes, or 2.83 hours, @ -20c.
    Other Equipment Used: Orion SteadyStar Adaptive Optics Guider
    Notes: CCD Stack: darks and bias subtracted (no flats), image normalised, defects subtracted, luninance images summed, RGB images mean stacked, all files registered and algined, and Photoshop CS3: FITS liberator RGB combined, and luminance layered in for detail
  • Photographer
    Steven M