From: ckraftSPAMTRAP@west.net   
      
   On Sun, 04 Mar 2012 11:07:36 -0700, Louis Boyd   
    wrote:   
      
   >Louis Boyd wrote:   
   >   
   >> The solution is a low noise detector and long integration times. I'd   
   >> expect  CCD cooled to about -40 C and hour exposures should give results   
   >> similar to the website above.   
   >   
   >Sorry, I forgot to post the website:   
   >http://www.fluomin.org/uk/fiche.php?id=29   
   >   
   >It leads to a lot of info on luminescent minerals and their spectra.   
      
      
   That's sort of what I'd hoped to achieve.  sounds like my budget is   
   too limited, though.  Thanks for the info.   
      
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