Camera:Atik 16HR
Telescope:Takahashi FS60-CB/Tak field flattener
Focal length:355mm->373mmF-ratio: 5.9->6.2
Handmade filter wheel
Filter:Baader Ha 7nm
Exposure: 360min
Guiding system:PHD/Meade DSI color/ED80 600mm
Software:Iris/Photoshop
Olympus observatory
Platamon Pierias - Hellas
Date:4/5-7-2011
No bias/darks/flats
Cosmetic correction only.
