(IAAC) [amastro] Re: Using O III with higher magnifications ?
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Lew Gramer <email@example.com>
------- Forwarded Message
Date: Thu, 6 Jan 2000 12:05:30 -0700 (MST)
Subject: [amastro] Re: Using O III with higher magnifications ?
I've had the same experience as Rich, that the O III doesn't help on most
extragalactic H II regions.
One time I was set up with an 18-inch all to myself and great skies, and a
list of knotty galaxies I culled from the Vickers CCD Atlas. I was going
to write this great article about how surprisingly easy these H II regions
were with the O III, but I couldn't find any!
There are some rare exceptions, but straight visual appears to be the
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