Combined image of NGC 3603 taken in the light of Ha and O111.
FSQ-106ED with Reducer operating at f/3.6.
ST2000XM 16 x 3 minutes @ -25c, 6Nm Astronomiks Ha filter, 10 x 2 minutes @ -25c, 12Nm, Astronomiks O111 filter, combined as HaHaO111 and O111/Ha blend (20/80%) as the LRGB Channels.
full exif