NGC 869/884  -  Double Cluster


Full resolution (1600x1200 px  850kB)

DSLR wide field image


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: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and Baader Filters
Binning: L 1x1 / RGB 1x1
Exposure time: L 26x2m / R 5x5m / G 5x5m / B 5x5m
Exposure time total: 2h 07m
Notes:  

 

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