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12 Meter Telescope - Sun Avoidance Information

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To avoid excessive heating of the feed legs, the prime focus regions, and the cables to the prime focus, the telescope will not be pointed to within 15 degrees of the sun. The following table lists the apparent RA and Dec of the Sun on the first of each month (I have ignored the small year-to-year changes due to precession). Observers are encouraged to use this information to specify their proposal requests for observing time.

12 Meter Telescope Sun Avoidance Information

Date RA Dec
January 118:43:58-23:03:09
February 120:56:29-17:17:11
March 122:45:56-07:50:20
April 100:39:47+04:16:56
May 102:31:07+14:52:24
June 104:33:49+21:57:37
July 106:38:05+23:08:56
August 108:43:00+18:10:52
September 110:39:07+08:31:16
October 112:27:05-02:55:31
November 114:22:58-14:12:38
December 116:26:20-21:41:35


Last modified 08 September 1999; Webmaster