ACS Instrument Handbook December 2012 Advanced Camera for Surveys Instrument Handbook for Cycle 21 (With Historical Information for the Inoperative HRC Channel) User Support For prompt answers to any question, please contact the STScI Help Desk. • E-mail: help@stsci.edu • Phone: (410) 338-1082(800) 544-8125 (U.S., toll free) World Wide Information and other resources are available on the ACS Web site: • URL: http://www.stsci.edu/hst/acs Revision History Version Date Editors 12.0 December 2012 Ubeda, L., et al. 11.0 December 2011 Ubeda, L., et al. 10.0 December 2010 Maybhate, A and Armstrong, A., et al. 9.0 January 2010 Maybhate, A., et al. 8.0 December 2007 Boffi, F.R., et al. 7.1 December 2006 Pavlovsky, C. et al. 7.0 October 2006 Pavlovsky, C., et al. 6.0 October 2005 Gonzaga, S., et al. 5.0 October 2004 Pavlovsky, C., et al. 4.0 October 2003 Pavlovsky, C., et al. 3.0 October 2002 Pavlovsky, C., et al. 2.1 July 2001 Pavlovsky, C., et al. 2.0 June 2001 Suchkov, A., et al. 1.0 June 2000 Jedrzejewski, R., et al. Citation In publications, refer to this document as: Ubeda, L., et al. 2012, “ACS Instrument Handbook”, Version 12.0 (Baltimore: STScI).