Siding Spring, Australia, LRGB, L(10X60), R(10X60), G(20X60), B(20X60), Takahashi FSQ ED 106mm, f/5.0, FLI Microline 11002, Paramount ME. Giant interstellar cloud, stellar nursery, emission nebula, HII region with Bok globules in Sagittarius ionized by Herschel 36. 90X40 arc min (110X50 LY), 4k-6k LY