NOAO's CCD Mosaic imagers provide US astronomers with the ability to survey large areas of sky with excellent spatial resolution (0.26") and sensitivity (R > 26; B > 26.5). Nearly identical 8K×8K imagers are available at the 4-m telescopes at the Kitt Peak National Observatory in the north and at the Cerro Tololo Inter-American Observatory in the south.
This image of the Rosette Nebula (NGC 2237) was taken with Mosaic at the
National Science Foundation's 0.9m telescope on Kitt Peak. Five 10-minute
exposures were made with Ha, O[III], and S[II] filters and assigned to the
red, green, and blue color channels, respectively, to create this false
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Newsletter Posted: 08 Dec 1999