NGC 6543

Object: NGC 6543
Optics: Planewave CDK 12.5" f/8.0
Camera: SBIG ST-10
CCD temperature: -10°C
Exposure: 1X1 HA-100min(10X10m)+(35x1min-center), OIII-200min(20X10m)+(35x1min-centre), OIII-200min(20X10m)+(35x1min-center)
Mount: Takahashi EM-400
Image processing: Pixinsight, PhotoshopCS4
Quebec, Qc, Canada
July 24, 2010