EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp13372  26/02/81  20:27:48    899.76   79   24
swp21251  07/10/83  10:13:23   1799.65  106   37
swp21948  06/01/84  20:00:19   2099.48   89   22
swp22458  10/03/84  20:59:12   2399.72  158   54
swp34774  19/11/88  13:07:18   3599.84   65   23
swp34775  19/11/88  15:04:30   1799.65   74   19
swp34776  19/11/88  16:23:32   3599.84   89   23
swp34777  19/11/88  18:25:06   1439.61   58   18
swp34784  20/11/88  12:16:20   3599.84   85   22
swp34785  20/11/88  14:21:57   3599.84   87   23
swp34786  20/11/88  16:16:59   3599.84   90   23
swp35975  10/04/89  09:57:32  34379.52  198  115
swp35976  10/04/89  20:55:43   1799.65  170  103