NGC 1977 - The Running Man Nebula
From the author of Sizing Up The Universe
20:14 EST Jan 22, 2020.
Starlight Express Trius SX-694 on 10" RCOS at f/9.
R = 20 min, G = (R+B)/2, B = 100 min (guided 1-minute subexposures).
20:14 EST Jan 28, 2008.
Starlight Express SXV-H9 on 4" Tak FSQ refractor at f/5.
R = 24 min, G = (R+B)/2, B = 100 min
(unguided 2-minute subexposures).
Richardson-Lucy deconv. and digital development