M1 - Crab Nebula
From the author of Sizing Up The Universe
Click here for blinking images from 2006 and 2019.
01:12 EDT October 27, 2006.
Starlight Express SXV-H9 on 10" RCOS at f/9.
L = 60 min, Hα = 140 min, O-III = 20 min
(guided 20-minute subexposures).
Richardson-Lucy deconvolution, Gamma stretch.