EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp08900  03/05/80  12:24:57  12299.75   84   45
swp19049  20/01/83  19:12:25  10799.79  157  113
swp19721  14/04/83  12:02:46   8999.60   80   32
swp24580  29/11/84  14:29:39  15419.67   74   42
swp25257  16/02/85  13:43:44  14399.77   88   52
swp25551  30/03/85  11:19:05  17099.85  104   57
swp25798  28/04/85  10:00:34  10199.73   70   38
swp25933  14/05/85  07:46:23  10199.73   76   36
swp26411  14/07/85  03:54:07  10199.73   72   35
swp27166  23/11/85  20:40:43   8399.54   61   33
swp27710  13/02/86  14:48:08  10799.79   96   54
swp28033  26/03/86  12:36:45   8099.71   68   39
swp28346  20/05/86  07:53:46  17399.68   98   52
swp28604  04/07/86  04:07:56  20399.59  116   67
swp29781  30/11/86  19:53:28   9299.30   65   36
swp30237  02/02/87  14:17:58   9419.85   67   40
swp30679  01/04/87  10:13:50   9419.85   65   40
swp30870  26/04/87  09:55:04  11999.51   74   45
swp30958  12/05/87  08:03:59   9899.49   67   37
swp41889  20/06/91  21:55:33   7199.82   46   26