wide field astrophotography
The Rosette Nebula (NGC 2237) is a large emission nebula located in the constellation Monoceros (the Unicorn).  The bright cluster of stars near the centre of the nebula is NGC 2244.  Ultraviolet light from the bright hot cluster stars near the centre (NGC 2244) causes the surrounding nebula to glow. The Rosette Nebula spans about 100 light-years across, lies about 5000 light-years away.
NGC 2237 • Rosette Nebula © Irwin Seidman

Nikon D750 | WO Zenithstar 61ii  360mm  | 81 min exposure | 2021-03-07

Rosette Nebula (annotated) © Irwin Seidman

Astrometric annotations for above image courtesy of Astrometry.net

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