The Cat's Paw Nebula in Scorpius, a large faint nebula shining brightly in the light of Hydrogen Alpha. Also known as NGC 6334, Sh 2-8, Gum 62, RCW 127 or ESO 392-EN9, magnitude unknown, size is 120.0 arc minutes.
Takahashi Sky-90 operating at f/4.5, taken in the light of Ha.