Thread: Helix faint features: One photon per pixel every four hours
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  #8  
Old 13-10-2014, 03:18 PM
johnnyt123 (John)
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Join Date: Oct 2012
Location: Belmore, NSW
Posts: 363
That is amazing....
Hubble would most certainly show respect......

What focal length/f-ration did you take that at ??
all native to the scope?

John
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