NGC-891 galaxy (30 million lys)
Click on the image for the Full Resolution

Equipment :

    - Losmandy HGM TITAN / Gemini Goto mount
    - Astro Systeme Austria 12" N f/3.62 Astrograph
    - SBIG ST-10XME at -20°C
    - SBIG CFW-8A
 

Accessories :

   - Astrodon™ 1:1:1 Tru-Balance™ LRGB Filters

Conditions :

    - New Moon and Second Quarter

Exposures : (Total : 18h50min. for the Luminance only on 5 nights)

    Luminance :

L=  (113exp. x 10min.)  all in binning 1x1
 

Color information :

R= G = B = 6 exp. x 10 min. (binning 1x1)