The Markarian chain

Mount:EQ6skyscan
Camera:Atik 16HR
Lens:Nikkor 300mm
Focal lenght:5.6
Handmade  filter wheel
Idas LPS
Exposure:110min
Guiding system:PHD/Meade DSI color/SW600mm f/7.5
Software:Iris/Photoshop
Lazarus observatory
Larissa city
Date:20-10-2010