NGC 2237-9, -44, -46. The Rosette Nebula, Swift's Nebula, The Great Nebula in Monoceros

Orientation: Ø80' x 60', m5, RA 06h32.3m, Dec +05°03'
Image Scale: 3.5 arc sec/pixel
Exposure: Lum 10 x 300" Bin 1x1, RGB 10 x 300" Bin 2x2
Telescope: Takahashi FSQ-106 @ f/5 (fl=530mm)
Camera: SBIG STL-11000M CCD
Mount: Paramount ME on ATS Portable Pier
Location: Ningaloo Skies Observatory, Exmouth, Western Australia on 27 Jan 2008
Notes: The great abundance of hydrogen gas gives NGC 2237 the red colour and the wind from the open cluster of stars (NGC 2244) has cleared a hole in its centre. Filaments of dark dust run through the nebula's gases.