NOAO Newsletter - December 1999 - Number 60

Cover Image: The Rosette Nebula

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 8K8K 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 color image.

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Newsletter Posted: 08 Dec 1999