NGC281 B/W

5HOURS Ha 13nm
Mount:HEQ5 pro
Camera:Atik 16HR
Lens:Nikkor 80-200mm ED2.8
f:4
Focal lenght:200mm
Handmade filter wheel
Ha[ 13nm] R/G/B[Astronomik]
Exposure:IR- Ha5hours Ha+R:90min G:30min B:30min
Guiding system:PHD/Meade DSI color/400mm lens
Software:Iris/Photoshop
Lazarus observatory
Larissa city
Date:20-21-22/8/2009