EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp16616  24/03/82  21:43:16    899.76  255   19
swp30325  17/02/87  01:42:42    251.77  113   17
swp36708  20/07/89  14:53:45    299.70  125   18
swp38608  15/04/90  16:03:37    419.71  176   17
swp44663  14/05/92  17:28:52    599.52  255   70
swp44664  14/05/92  19:58:44    599.52  255   50
swp44665  14/05/92  20:35:05    239.49  119   21
swp46716  12/01/93  20:06:15    419.71  176   16
swp48249  27/07/93  10:17:53    359.50  158   17
swp53168  24/12/94  04:47:55    359.50  112   15