NGC 7788   +   NGC 7790

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Object identification in 50% size (800x600 px 250kB)

Object data of NGC7788

Object type: open cluster (I 2 p)
Size: 9'
Magnitude: 9.4 mag
Constellation: Cas
Distance: 7,700 Ly
Notes: contains 20 stars

Object data of NGC7790

Object type: open cluster (II 2 m)
Size: 5'
Magnitude: 8.5 mag
Constellation: Cas
Distance: 9,600 Ly
Notes: contains 40 stars

Exposure data

Date: 2007-12-17
Location: Nussbach / Austria (400m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and SBIG Filters
  Binning: L 1x1 / RGB 1x1
  Exposure time: L 31x2m / R 8x8m / G 8x4m / B 8x4m
Exposure time total: 3h 10m


bright moon during exposure!

Open clusters in image:

NGC7788, NGC7790, Berkeley58, Frolov1