Hi Steve, I made around 60 exposures of 300s for each channel. Filters are Astrodon 3nm narrowband for Ha, O3 and S2 Reply
Bart Delsaert - Astrophotography 
I would really like to know the filter and exposure times, thanks!!
Hi Steve,
I made around 60 exposures of 300s for each channel. Filters are Astrodon 3nm narrowband for Ha, O3 and S2