EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01574  18/05/78  16:32:34   4199.50  255  158
swp01575  18/05/78  19:45:00    479.51  255   40
swp02248  09/08/78  05:37:03    479.51  255   21
swp10634  19/11/80  07:32:07     82.61  137   18
swp14698  09/08/81  10:21:48    209.59  255   19
swp21444  04/11/83  04:45:33   1499.82  139   20
swp28364  23/05/86  16:01:43   1499.82  217   20
swp28365  23/05/86  17:08:31   2099.48  132   22
swp28366  23/05/86  18:23:27   2279.70  132   27
swp28367  23/05/86  19:43:23   2399.72  130   26
swp28368  23/05/86  21:03:08   2279.70  123   22
swp28369  23/05/86  22:22:38   1499.82   98   20
swp30366  23/02/87  12:10:36     79.74  121   17
swp30613  26/03/87  01:27:09    104.73  130   16
swp38652  22/04/90  20:21:30     69.50  109   17
swp38666  23/04/90  20:38:16     99.81  142   16
swp46387  02/12/92  03:21:26    239.49  255   15
swp46388  02/12/92  04:39:43    119.47  161   15
swp46393  03/12/92  00:09:18    899.76   73   16