NGC2244 Rosette Nebula  
Scope: Deep Sky Instruments RC10c 254mm @ f/7.4 / FL= 1880mm Corrected Ritchey Chretien  
Camera: FLI- ML11002M with FLI (7 position filter wheel CFW-5-7) 
Total Exposure: Ha= 4.5 hr (30min subs x 9) OIII= 7.5 hr (30min subs x 15) SII= 4.5 hr (30min subs x 9)
November 2012: Chico, California, USA 
Located some 13 degrees to the east of Orion, the Rosette Nebula (NGC 2244) is another spectacular object of the winter Milky Way. It is a large area of star clustering, star formation, and glowing ionized gas fuelled by the hottest stars in the central region. In the dense central region gases and dust have most rapidly condensed into massive new stars, the intense radiation and winds from which have eroded the dust and gases from these stars were formed, causing the 'hollowed out' appearance.

Narrow Band - Version 2