Full resolution (1600x1200 px  850kB)

Object identification in 50 % size (800x600 px  320kB)

Ha in full resolution (1600x1200 px  320kB)

Object data

Object type: emission nebula
Size: 20'
Magnitude: -
Constellation: Cyg
Distance: 2,000 Ly
Notes: LBN174 on left side and LDN847 in center

Exposure data

Date: 2006-09-22+23+24
Location: Schlierbach / Austria (400m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 + SBIG Filters and Astronomik Ha 13nm
  Binning: L 1x1  /   RGB 2x2  /  HaGB 1x1
  Exposure time: L 28x12m / R 9x12m / G 9x6m / B 9x6m / Ha 8x20m
Exposure time total:  13 h

Composite of LRGB (9h) with HaGB (4h)