EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp33955  22/07/88  01:05:33   1799.65  204   20
swp44459  23/04/92  03:52:00   1199.59   88   17
swp47530  23/04/93  05:23:38   1199.59   79   17
swp50589  19/04/94  08:13:06   1199.59   72   18
swp51852  20/08/94  09:40:09    899.76   57   18
swp54463  19/04/95  01:59:00   1199.59   60   17
swp54465  19/04/95  08:18:31   1799.65   86   19
swp57774  10/08/96  19:31:12   1799.65   73   18
swp57775  10/08/96  20:55:02   2999.78  115   21