Westerhout 5 (Soul Nebula) panel 2×1 in HST (SII/Hα/OIII)

www.astrobin.com/370583/B/ Westerhout 5 (Sharpless 2-199, LBN 667, Soul Nebula) is an emission nebula located in Cassiopeia. Several small open clusters are embedded in the nebula:…

View More Westerhout 5 (Soul Nebula) panel 2×1 in HST (SII/Hα/OIII)