NGC 7023 (Iris Nebula)

Observing Site Nebraska Star Party
Date and time 7/27-28/2014 (2309-0307)
Lynds brightness 1 (LBN 487)
Sky Darkness 1
Sky Transparency good
Moon magnitude not in sky
Imaging Telescope AT65EDQ
Imaging Camera ST-8300M
Acquisition

L 29x180s, R 15x180s, G 15x180s, B 15x180s

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