The Butterfly Nebula and Sadr (IC 1318)

The diffuse emission nebula surrounding Sadr (or Gamma Cygni), located in the center of Cygnus's cross.
Date: 2015.09.09. ~ 10.
Location: Daejeon Education Training Institute, Gongju, Korea
Telescope: FS-60CB with a focal reducer (FL: 264 mm, F/4.4)
Guide scope: CCTV lens (FL: 100 mm, F/3.5)
Mount: Unitec SWAT-300
Camera: SBIG STF-8300M w/ Baarder filters
Guide camera: QHY5L-II-C
- Exposure: Ha 300s x 5, L 300s x 5, RGB (2bin) 300s x 3/each
- Image Processing: PixInsight