Exposure data

Telescope:    4.5" Newton f=440mm
Camera:    SBIG ST2000XM
Filters:    SBIG RGB + Astronomik Hα (13nm)
Exposure times:    Hα:14x10min R:2x10min G:2x10min B:2x10min
Exposure time total:    3h 20min
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2007-08-25
 
Object data of vdB 142

Object type:    Dark nebula
Size:    1.2'
Magnitude:    - mag
Constellation:    Cepheus
Distance:    2400 Ly