A Slice of Cygnus
Constellation: Cygnus
Lens: Pentax 55mm lens
Camera: QSI 583wsg
Mount: Takahashi EM-200
Filter: AstroDon 3nm Hydrogen-alpha filter
Acquisition Date: July 18, 2009
Location: Ball Ground, GA
Exposure Details: 6 - 20-minute subexposures through H-alpha filter
Total Exposure time: 2 hours
Acquisition Software: The SkyX Professional, Maxim DL
Processing Software: CCDStack, Photoshop, Gradient Xterminator