EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01388  19/04/78  22:05:00     99.81  176   22
swp02707  20/09/78  17:43:51    119.47  222   17
swp02772  26/09/78  15:27:48    129.71  255   19
swp06569  19/09/79  14:09:01    119.47  200   16
swp08006  21/02/80  23:45:47    119.47  208   18
swp10648  21/11/80  05:38:06    119.47  181   22
swp11230  04/02/81  04:35:39    129.71  216   25
swp15992  09/01/82  02:47:58    119.47  184   19
swp44033  21/02/92  04:06:19    119.47  255   17
swp44069  27/02/92  00:32:25     59.67  137   16
swp46549  22/12/92  08:09:59     53.53  118   15
swp50021  15/02/94  00:06:48     52.71  124   17
swp50042  17/02/94  02:38:26    105.55  181   15
swp52075  10/09/94  09:38:10     39.60   90   17
swp55973  20/09/95  09:40:48     53.53  137   14