Sergio Díaz · @expanding_astro
1 followers · 16 posts · Server astrodon.social(Jul/2020) Pls have a look at this video from #El_Lobo_Rayado on using the bracket notation to correctly specify 'forbidden' line filters such as [O III],[S II]
#baader_astro
#TeleVueOptics
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#Optolong_filter https://twitter.com/El_Lobo_Rayado/status/1279692732697436160
#el_lobo_rayado #baader_astro #televueoptics #opticalstructuresinc #astronomik #Celestron #meadeinstrument #zwoasi #atikcameras #optolong_filter