EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01443  30/04/78  10:18:25     59.67  255   21
swp01466  02/05/78  23:26:00     14.62  126   17
swp01971  11/07/78  16:18:00     12.57  115   18
swp01974  11/07/78  19:36:00     19.53  171   18
swp01976  11/07/78  23:03:19     89.57  255   19
swp01981  12/07/78  16:24:00     17.48  158   19
swp01984  12/07/78  19:26:00     17.48  160   17
swp01985  12/07/78  20:20:00     29.77  143   18
swp01996  13/07/78  21:04:14     31.82  142   19
swp01997  13/07/78  21:55:00     31.82  143   19
swp01998  13/07/78  22:53:00     31.82  142   18
swp01999  13/07/78  23:44:48     31.82  142   18
swp02000  14/07/78  00:38:55     31.82  147   18
swp02001  14/07/78  01:41:20     15.84  137   17
swp02007  14/07/78  14:34:00     39.06  170   18