Astronomy | astro_images | NGC457_LRGB_Final
NGC 457, the "Owl" or "ET" open cluster in Cassiopeia
10/1/2016 with 12.5" PlaneWave telescope and QSI-640ws camera at f/5.2, 3.3 hrs
NGC 457, the "Owl" or "ET" open cluster in Cassiopeia
10/1/2016 with 12.5" PlaneWave telescope and QSI-640ws camera at f/5.2, 3.3 hrs
