North America Nebula in constellation of Cygnus.
My second try with PixInsight. Backyard, North East Oregon. Bortle 3.
Total Integration: 1 hour 41 minutes. 800 ISO. 60 sec exposures. RedCat on Sky-Watcher EQ6-R Pro with guide cam and PhD2. Cam: DSLR, Canon 90D. Cropped.
101 Lights. 41 Darks. 33 Flats. 52 Dark Flats.