EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01400  22/04/78  12:42:00     69.50   64   18
swp01401  22/04/78  13:28:00    314.85  200   21
swp02765  26/09/78  00:42:36    239.49  166   20
swp04367  24/02/79  13:06:03    107.60   60   16
swp04846  03/04/79  16:58:00    119.34  140   18
swp06515  15/09/79  04:24:13    299.70  185   20
swp06516  15/09/79  06:05:15    299.70  129   17
swp06517  15/09/79  07:04:48    299.70  159   17
swp06518  15/09/79  08:02:48    599.52   47   18
swp06519  15/09/79  09:05:48   1439.61   46   20
swp06520  15/09/79  10:04:43   1799.65   79   23
swp06521  15/09/79  11:10:03   1439.61   66   21
swp06522  15/09/79  12:09:52   1499.82   65   22
swp06523  15/09/79  13:13:19   1439.61  106   24
swp06524  15/09/79  14:14:01   1499.82   61   24
swp13976  16/05/81  13:54:12    299.70  186   19
swp15006  16/09/81  08:35:23    299.70  185   20
swp41991  03/07/91  12:09:04    282.38  142   16
swp41992  03/07/91  13:10:18    500.39  112   27
swp41994  03/07/91  16:50:28    500.39  195   22
swp41995  03/07/91  18:26:05    282.38  116   17
swp41999  04/07/91  03:47:35   2546.04  197   44
swp44450  21/04/92  17:12:45   2699.28  161   21