NGC 869/884  -  Double Cluster


50% resolution (600kB)

Image with NP101 (f=540mm)


Object data of NGC869

Object type: open star cluster (I3r)
Size: 30'
Magnitude: 4.3 mag
Constellation: Per
Distance: 7,000 Ly
   
Notes: = h Per; western cluster of 'Double Cluster'

Object data of NGC884

Object type: open star cluster (I3r)
Size: 30'
Magnitude: 4.4 mag
Constellation: Per
Distance: 7,000 Ly
   
Notes: = chi Per; eastern cluster of 'Double Cluster'

Exposure data

Date: 2009-11-20
Location: Nussbach / Austria (400m)
Telescope: Rubinar300 (2.5" Maksutov Cassegrain f=300mm)
Camera: EOS1000D (ISO400)
Mount: Vixen GPDX
Exposure time: 31x4m
Exposure time total: 2h04m

 

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