NGC 4631 (whale galaxy) in Canes Venatici
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Technical Details
   
Optics
: 80 mm William Optics triplet fluorit @F6.6
Mount
::GP-DX with Skysensor 2000
Camera
::Canon 20D
Exposure time
::130 min
Filters
::Hutech LPS
Date
::12 april 2008
Location
::Hoegaarden - Belgium