Veil Nebula widefield

Object info:
Common name: Veil nebula
Catalog code: NGC6960
Object type: Supernova remnant
Constellation: Cygnus
Object size: 3 degrees
Imaging info:
imaging date: 23 October 2011
Optics: Takumar 135mm f/3.5
Effective focal length: 135mm
Camera & filters: modified EOS 20D; 12nm Halpha filter
Exposure & camera settings: 12x15min ISO1600
Imaging software: Nebulosity 2.3
Mount: Vixen GP
Guiding details: autoguiding with PHD 12.1 and 550m refractor and DSI I camera
Image processing:
processing date: 24 October 2011
calibration frames: 30darks and 21 flats
stacking & calibration software: Nebulosity 2.4.1
Postprocessing: sigma clipping in stacking to remove sattelite trails. DDP in nebulosity
Local conditions:
Location: Stroe
Temperature: 8 Celsius