Thread: Testing of PST and SM60 etalons
View Single Post
  #7  
Old 10-03-2011, 05:51 PM
AstroGuy
Senior Member

AstroGuy is offline 		 
Join Date: Mar 2011
Posts: 179
On a slightly different note...
Has anyone performed a spectroscopic scan of their daytime sky yet? if so, have you noticed any absorbtion lines in the aluminum spectral band(s)?

Regards...
Reply With Quote