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Topic starter
August 21, 2020 17:14
I took this in November of last year. Ha and O-III data from my Bortle 9 back garden north of Dallas, Texas, USA.
5 minutes x 30 each Ha and O-III
R: Ha
G: (Ha/O-III)
B: O-III
QHY 168M w/ Baader 7nm filters
AstroTech AT65EDQ quadruplet f/6.5 - 420mm f/l
artem and Vincent-Moderator reacted
August 22, 2020 15:26
Wow, given you say it's bortle 9, that is a very nice image! Narrowband definitely helps here, but are you sure it's as bad as 9? 🙂
Topic starter
August 25, 2020 15:47
Pretty certain, yes. 🙂 To make matters worse, I have about 1.5m sq.m of illuminated concrete within 3km of my house. At least according to Google Maps.
This post was modified 4 years ago by tschuh
Vincent-Moderator reacted
August 25, 2020 16:00
Amazing, impressed with the result then even more!
