Quote:
Originally Posted by gregbradley
I went through this recently for the AP Riccardi Honders. In my case I already had a nice 5nm Ha and wondered if there was a gain going to 3nm.
I asked Don Goldman and he basically advised me to stick to the 5nm as it also picks up N11 emission whereas the 3nm does not. But if I were imaging in light pollution the 3nm was the one to use.
I get great results from the 5nm Astrodon. Good to know though there is a 3.5nm one from Baader now. Although I only see it in Ha not O111.
Greg.
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Sometimes you need to just post something different. Seperate 3nm Ha and 3nm NII imaging allows a colour palete not possible any other way.