NGC2244, The Rosette Nebula in Monoceros


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Description: The central cluster of young stars initially formed out of the nebula's material and the brightest of them cause the emission of the nebula.  While the nebula is 5,500 light years distant, it is estimated to be 130 light years in diameter and covers an area greater than 1 in diameter.
Exposure Data: 11/20,21/2001.  RRGB: 20x2m, 10x2m, 10x2m, 10x4m. RGB binned 2x2. -20C, 2.65 arc-sec./pixel.
Processing: Acquired in Maxim, reduced and resized in CCDSoft., combined and aligned in Mira. RGB combine in Maxim. Final processing in Photoshop.
Optical System: TV-140 5.5 f/5 APO refractor, ST-8E NABG/CFW-8A CCD camera, AP 900GTO mount, Hutech LPS filter.
Comments: Compare to same object taken with FSQ-106 at 3.5 arc-sec./pixel.