M51

Object: M51
Optics: Planewave CDK 12.5" f/8.0
Idas LPS filter
Camera: SBIG ST-10XME
CCD temperature: -10°C
Exposure: 2X2 L-290min(29X10m), R-300min(30X10m), Gs(R+B)/2, B-240min(24X10m)
Mount: Takahashi EM-400
Image processing: PixInsight, CCDStack, Photoshop
Quebec, Qc, Canada
May 12, 2013

Object: M51
Optics: Takahashi TOA-150 + Takahashi 1.6X extender f/11.7
Idas LPS filter
Camera: SBIG ST-10XME
CCD temperature: -10°C
Exposure: 1X1 L-360min -- Bin 2X2 R-80min, G-80min, B-80min
Mount: Takahashi EM-400
Image processing: Maxim DL, CCDStack, Registar, PhotoshopCS
Quebec, Qc, Canada
April 20-25, 2007