EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp20073  25/05/83  21:09:34   3599.84   57   35
swp20094  29/05/83  08:30:44  10799.79   85   36
swp20801  26/08/83  02:40:25  16199.55  142   75
swp21962  07/01/84  16:53:42  14399.77  113   54
swp21963  07/01/84  21:18:05   6899.58  163  114
swp23249  12/06/84  13:41:36   4499.07  182  132
swp40246  02/12/90  10:33:36  14399.77  121   34
swp40274  05/12/90  10:53:30  14399.77  116   37
swp40289  08/12/90  09:52:55  14399.77  114   33
swp40305  10/12/90  10:08:18  14399.77  118   41
swp40928  25/02/91  05:40:40  11999.51  107   32