van den Bergh 4, NGC 225 (oc); Cassiopeia
Astro Systeme Austria N12 f/3.5 astrograph (Lum)
Tele Vue 127is f/5.2 refractor (RGB)
KAI-11000M; SBIG STL (Lum), FLI Microline (RGB)
Total Exposure Time: 13+ hours; LRGB 310:160:160:160 minutes, unbinned
September 2008, Inkom, ID
Comments: vdB 4 is reflection nebula number 4 in Sidney van den Bergh's Catalog of Reflection Nebulae, 1966. The adjacent dark nebulae and dust appear not to be cataloged. Cropped image below.
