EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp11113  20/01/81  09:45:30   9599.67  255   39
swp11116  20/01/81  15:21:54   1499.82   94   20
swp17207  13/06/82  15:53:06   1799.65  140   41
swp19392  04/03/83  23:24:24   2699.54  203   85
swp33729  08/06/88  22:23:14   8999.60  161   34
swp37766  07/12/89  11:30:36   4799.56  119   24
swp37774  08/12/89  11:32:22   5999.69  114   26
swp37775  08/12/89  14:40:53   7619.66  163   27
swp37780  09/12/89  12:11:38  16559.59  128   38
swp37787  10/12/89  10:08:24  23879.55  183   52
swp38462  29/03/90  07:57:49   7199.82  192   26
swp38470  30/03/90  05:37:26  10199.73  255   29