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Old 26-04-2020, 07:43 PM
dan_iana (Daniel and Iana)
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dan_iana is offline
 
Join Date: Feb 2016
Location: Sydney, Australia
Posts: 22
Astrodon or Chroma 31mm narrowband filters

Ideally after 31mm chroma in 5nm H, 3nm S and O.

However may look at the following variations - 1.25' in size, Astrodons and a H in 3nm.

Last edited by dan_iana; 10-06-2020 at 09:08 AM.