EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01433  28/04/78  19:41:00    107.60  178   61
swp01441  30/04/78  01:22:00    107.60  142   22
swp01453  01/05/78  14:33:51     94.49   98   17
swp01475  03/05/78  22:21:00    139.54  182   37
swp02151  30/07/78  12:40:00    119.47  129   19
swp03648  19/12/78  22:55:36     89.57  101   17
swp05177  09/05/79  08:36:03    139.54  145   17
swp05182  09/05/79  16:56:51    139.54  152   17
swp05479  10/06/79  18:32:16    139.54  146   17
swp14911  05/09/81  16:47:31    613.07   47   19
swp14912  05/09/81  17:43:10    613.07  145   21
swp18959  07/01/83  04:33:36     89.57   93   18
swp20718  19/08/83  19:33:00    764.08  183   21
swp21930  04/01/84  09:30:24    764.08  204   21
swp28650  11/07/86  12:07:16    544.47  157   22
swp28651  11/07/86  13:00:07    808.24  218   28
swp28652  11/07/86  14:12:46    861.66  255   55
swp28653  11/07/86  15:51:54    808.24  255   70
swp28654  11/07/86  17:04:33    861.66  239   43