EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp14081  26/05/81  18:56:07     79.74  255   21
swp30946  10/05/87  19:32:02     59.67  255   17
swp30947  10/05/87  20:15:11     29.77  241   17
swp30956  11/05/87  21:02:37     49.71  214   17
swp30967  13/05/87  20:39:06     49.71  223   17
swp30980  15/05/87  19:15:53     49.71  218   17
swp36427  08/06/89  23:20:04     24.86  198   16
swp36443  10/06/89  23:03:21     24.86  209   16
swp36486  13/06/89  22:40:53     24.86  210   16
swp36636  07/07/89  21:26:14     24.86  191   16