The subs are 5 min a piece in LRGB. 10 subs each 2×2 bin @ -20C.
Equipment is here.
Its about 5200 light years away and seriously large and bright – see the Trifid details here
NGC 3579 (and friends) in narrowband – hubble pallette. Gear is found here, 900 Sec subs (8 each filter) 2×2 bin @ -20C.
Processed in PixInsight – still have my “L” plates on.
This is M20 & M21 in narrowband, Hubble palette.
This is NGC6357 in narrowband, Hubble palette.