IC 4604 (Rho Ophiuchi Nebula)

Observing Site Jeffers Petroglyphs
Date and time 7/26-27/2014 (2219-0031)
Lynds brightness 4 (est)
Sky Darkness 2
Sky Transparency good
Moon magnitude not in sky
Imaging Telescope AT65EDQ
Imaging Camera ST-8300M
Acquisition

L 7x180s, R 9x180s, G 9x180s, B 7x180s

Calibration dark 20, bias 20, flat 40, flat dark 40