Exposure data

Telescope:    4.5"-Newton f=440mm)
Camera:    SBIG ST8300M
Filters:    Baader LRGB
Exposure times:    L:56x10min R:10x10min G:10x10min B:10x10min
Exposure time total:    14h 20min
Mount:    10 Micron GM 1000 HPS
Location:    Erdweg/Germany (500m)
Date:    2015-04-21+22+23
Object data of Abell 1656

Object type:    Galaxy cluster
Size:    180'
Magnitude:    brightest member: 12.5 mag
Constellation:    Coma Berenices
Distance:    300 Mio Ly

Below you can find an inverted image of Abell 1656