Exposure data

Telescope:    4.5" Newton f=440mm
Camera:    SBIG ST8300M
Filters:    Baader LRGB
Exposure times:    L:71x10min R:6x10min G:6x10min B:6x10min
Exposure time total:    14h 50min
Mount:    10 Micron GM 1000 HPS
Location:    Erdweg/Germany (500m)
Date:    2016-08-25+26+27
 
Object data of NGC 7023

Object type:    Reflection nebula
Size:    18'
Magnitude:     7.1 mag
Constellation:    Cepheus
Distance:    1300 Ly
 
Object data of vdB 141

Object type:    Reflection nebula
Size:    -
Magnitude:     -
Constellation:    Cepheus
Distance:    1470 Ly