EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01622  24/05/78  11:20:00   1799.65  189   22
swp03646  19/12/78  18:38:25   3599.84  255   25
swp07124  10/11/79  00:28:39   3599.84  255   22
swp10266  02/10/80  06:46:37   3599.84  255   23
swp10361  14/10/80  07:56:48   1972.09  187   20
swp15492  13/11/81  04:48:32   3599.84  255   25
swp28234  27/04/86  20:42:09   1600.46  167   25
swp41587  06/05/91  18:46:20   1199.59  168   61
swp44729  20/05/92  18:32:15   2099.48  188   20
swp47765  28/05/93  18:20:36   2399.18  193   20