Thread: Blinking with OIII
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Old 10-03-2006, 03:42 PM
dennislowe
Ex-Grunt

dennislowe is offline 		 
Join Date: Dec 2005
Location: Brisbane
Posts: 26
Blinking with OIII
Anyone use the technique of blinking with an OIII filter to help ID PN's. If so can you recomend a test object so I can get an idea of what I am looking for. I will be using a 200mm F6 Newtonian.
Thanks. Dennis.
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