Rosette nebula is a ionized hydrogen (H II) region containing the open cluster NGC2244. Captured in my backyard 8th of March 2024, only 43 frames at 120s (1h26m). For equipment, see old setup. For more details and annotated image see below
hip31149 is also know as HD 46233, hip31130 is als know as HD 46150. These massive O-type stars , are primarily responsible for blowing the ionized bubble.