carlschmidt3
Rho Ophiuchi Nebula and M80
The globular cluster, M80, is at upper right. Rho Ophiuchi is the brightest of the three stars at lower left. The bluish reflection nebula surrounding Rho Ophiuchi is IC 4604. The dark lane inside IC 4604, to the right of Rho Ophiuchi, is B42 (42nd item in Barnard's list of dark nebula).
Equipment: Nikon D5300, Nikkor AF-S 300mm f/4D IF-ED lens, and iOptron Skytracker. Taken at 300mm, f/5.6, ISO 6400, 82 frames of 30" each plus 50 darks. Stacked in Regim and cropped/processed in Lightroom.
Rho Ophiuchi Nebula and M80
The globular cluster, M80, is at upper right. Rho Ophiuchi is the brightest of the three stars at lower left. The bluish reflection nebula surrounding Rho Ophiuchi is IC 4604. The dark lane inside IC 4604, to the right of Rho Ophiuchi, is B42 (42nd item in Barnard's list of dark nebula).
Equipment: Nikon D5300, Nikkor AF-S 300mm f/4D IF-ED lens, and iOptron Skytracker. Taken at 300mm, f/5.6, ISO 6400, 82 frames of 30" each plus 50 darks. Stacked in Regim and cropped/processed in Lightroom.