EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp14857  29/08/81  19:33:35   8819.79  255   35
swp19605  01/04/83  22:18:04    599.52  154  111
swp21406  30/10/83  10:34:33    599.52   69   36
swp21975  09/01/84  00:33:31   1199.59   81   48
swp21976  09/01/84  01:45:02   1799.65  103   62
swp29676  14/11/86  12:50:37   2999.78   70   24
swp38105  01/02/90  01:25:38   1799.65   70   34
swp43931  05/02/92  05:11:07   5399.63   68   22
swp45774  25/09/92  23:53:53  10799.79  150   34
swp48870  08/10/93  11:59:33   1199.59   60   17
swp49253  18/11/93  06:43:12   5399.63   99   29
swp52088  11/09/94  11:52:50   1199.59   69   26
swp52168  21/09/94  08:41:43   1499.82   78   21