This is a 4 panel Mosaic taken on Feb 1-2 with a: Stellarvue SV130 and 0.72 Field Reducer/Flattener, Starlightxpress SX-694 camera, Astrodon filters , on a Parmount MYT mount.
Unguided Exposure of 4.4 hrs: Luminance 36 X180 sec, 12 X 600 sec, 12 X RGB 180 sec each. A Tpoint model of 308 points, with SkyX and ProTrack engaged was used to allow for unguided exposure.
Software: SkyX Professional with Tpoint add on, Astro Pixel Processer was used to combine the panels; it was processed with Pixinsight. The color data was taken through a thin cloud cover. It was taken from Mayhill, NM Feb 1-2, 2019.
The Rosette Nebula, NGC 2237 an emission nebula, 130 light years across, lies 5000 light years from us in the Monoceros Region of the Milky Way. This beautiful flower shaped nebula is one of my favorites. One of the astronomical puzzles is the small size of the central hole in the gas cloud relative to the age of the energetic stars that power it. Recently, through modeling at the University of Leeds, a new model gives insight into the size of the central whole of the Rosette Nebula.
See: (
www.sciencedaily.com/releases/2018/02/180213084402), a possible explanation was verified; if the molecular gas cloud was a relatively thin disk rather than a spherical cloud the small size of hole would fit the data.
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