EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01570  18/05/78  04:41:30  10799.79   82   43
swp05548  16/06/79  22:46:54  14399.77  207   56
swp05569  19/06/79  01:38:55  10799.79  150   37
swp19739  17/04/83  00:42:24   7199.82  131   30
swp20367  02/07/83  23:07:48   7199.82   82   29
swp20368  03/07/83  02:05:35   4799.56   60   25
swp22683  06/04/84  02:48:04   7919.49   86   33
swp22764  16/04/84  06:40:28   7799.47  124   33
swp23293  21/06/84  02:26:38   8399.54  123   31
swp23491  23/07/84  00:44:31   7379.63   80   30
swp25460  16/03/85  04:02:19   8159.51   97   29
swp25472  17/03/85  04:25:55   7199.82   85   32
swp26378  08/07/85  20:00:01   7199.82  104   32
swp26379  08/07/85  23:40:47  10199.73  128   39
swp26391  10/07/85  19:45:47  10799.79  119   40
swp26392  11/07/85  00:24:41   8579.76   92   33
swp27840  04/03/86  04:51:44   7199.82  127   33
swp27841  04/03/86  08:36:56   7199.82  122   31
swp28551  26/06/86  22:32:43   8999.60  115   37
swp28582  30/06/86  02:27:06   8399.54  188   37
swp30676  01/04/87  02:00:38   9599.67   90   40
swp33286  15/04/88  04:28:45  13379.86  169   44
swp47090  03/03/93  03:51:42  20399.59  125   51