NGC 663   +   NGC 654 


Full resolution (1600x1200 px  560kB)

Object identification in 50 % size (800x600 px  300kB)


Object data of NGC663

Object type: open cluster (II 3 r)
Size: 16'
Magnitude: 7.1 mag
Constellation: Cas
Distance: 6,000 Ly
Notes:  

Object data of NGC654

Object type: open cluster (II 2 r)
Size: 5'
Magnitude: 6.5 mag
Constellation: Cas
Distance: 6,000 Ly
Notes: reflection nebula vdB6

Exposure data

Date: 2006-12-23
Location: Steinbach am Ziehberg / Austria (920m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 + SBIG Filters
  Image type: LRGB
  Binning: L 1x1  /   RGB 1x1
  Exposure time: L 36x2m / R 9x10m / G 9x5m / B 9x5m
Exposure time total:  4h 12m
Notes:

 

Objects in image field:

NGC654

NGC663

vdB6

LDN1332

LDN1337

 

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