NGC 6820 region
NGC 6820 & 6823
Object: NGC 6820 region
Optics: Takahashi TOA-150 f/7.3
Astrodon HA 6 nm filter
Camera: SBIG STL11Km
CCD temperature: -15°C
Exposure: 1X1 HA-R (990min)
Mount: Takahashi EM-400
Image processing: Maxim DL, CCDStack, PhotoshopCS
Quebec, Qc,
Canada
July 26, 2007