NGC 6946 galaxy and 6939 open cluster in Cepheus
NGC 6946 (left) and 6939 (right) are a spectacular galactic and stellar duo in the constellation Cepheus.
Telescope — Astro-Physics 130 f/6.3 Gran Turismo with Astro-Tech Field Flattener
Camera information — Orion Parsec 8300M with cooler setpoint at -16ºC
Exposure data — L 16 x 900 sec 1×1, RGB 7 x 900 sec 2×2 each with Orion 2″ LRGB Filters