EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01671  30/05/78  18:39:00    359.50  211   22
swp03494  30/11/78  08:07:12    775.50  209   98
swp07500  29/12/79  19:00:42    975.08  155   21
swp15672  07/12/81  09:18:57    359.50  171   19
swp16269  05/02/82  21:16:48    719.00  169   20
swp16270  05/02/82  22:12:50    359.50  164   23
swp16271  05/02/82  23:11:15    779.62  178   23
swp22704  10/04/84  01:36:06   1439.61  255   20
swp22705  10/04/84  02:44:01    479.51  185   18
swp22730  13/04/84  01:59:04    391.86  182   17
swp26080  03/06/85  13:51:56    359.50  186   18
swp26313  29/06/85  20:07:36    359.50  188   17