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Michael A. Stecker
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 NGC 2264, Cone Nebula, "Christmas Tree Cluster" and Fox Fur in Monoceros Located about 2,500 light-years away in the constellation Monoceros is the Christmas Tree Cluster and Cone Nebula that are often grouped together under the catalog number NGC 2264 and Sh2-273. This cropped image is a joint project of James Foster and Michael Stecker. file: ConeNeb-RGB93minCOLOR2A&HA5hrsCROP2D-2acrr1sm.jpg Click here for full resolution photo Photographic Data date: early December 2023 telescope: Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector) FL= 1,000 mm mount: iOptron Cem60 guiding off-axis imaging cameras: ZWO ASI6200MM-Pro (monochrome) and ZWO ASI6200MC-Pro (color) filter: 3nm Hydrogen-alpha filter on the monochrome camera No filter on color camera exposure: 310 minutes with 3nm Hydrogen-alpha filter on the monochrome camera and 28 X 200 seconds (93-minutes) on the color camera total exposure time: 403-minutes (6.7 hours) .photographic site: James Foster observatory at Pinon Pines Estates (Frazier Park) California (Bortle 4 at 5,500 ft elevstion)  "Christmas Tree" file: ConeNeb-RGB93minCOLOR2A&HA5hrsCROP2D-2acrrct2.jpg Click here for full resolution photo  Cone Nebula crop from photo above file: ConeNeb-RGB93minCOLOR2A&HA5hrsCROP2D-2acrcone-sq.jpg  Cone Nebula crop-1 file: ConeNeb-RGB93minCOLOR2A&HA5hrsCROP2D-2acrcone1r.jpg  Cone Nebula crop-3 file: ConeNeb-RGB93minCOLOR2A&HA5hrsCROP2D-2acrcone3r.jpg |
