NGC 129   +   Berkeley 2

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Object data of NGC129

Object type: open cluster (III 2 m)
Size: 21'
Magnitude: 6.5 mag
Constellation: Cas
Distance: 5,300 Ly
Notes: 80 million years old

Object data of Berkeley2

Object type: open cluster (I 1 m)
Size: 4'
Magnitude: brightest star: 15 mag
Constellation: Cas
Distance: 17,100 Ly
Notes: 800 million years old

Exposure data

Date: 2007-12-27  +  29
Location: Steinbach am Ziehberg / Austria (920m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and SBIG Filters
  Binning: L 1x1 / RGB 1x1
  Exposure time: L 49x2m / R 11x8m / G 11x4m / B 11x4m
Exposure time total: 4h 34m