Thread: [NOT REQUIRED] Astrodon h-alpha 2” filter
View Single Post
  #1  
Old 18-01-2021, 07:28 PM
OneCosmos's Avatar
OneCosmos (Chris)
Registered User

OneCosmos is offline 		 
Join Date: Apr 2010
Location: Brisbane
Posts: 559
Astrodon h-alpha 2” filter
Astrodon 3 nm H-Alpha Narrowband Filter - 49.7 mm Round Unmounted - HA3-50R

Alternatively I’d go for 5nm

Please pm me
Last edited by OneCosmos; 04-02-2021 at 08:08 AM.