EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp18254  11/10/82  11:04:26      5.37  221   20
swp31426  27/07/87  18:31:24      1.10  208   16
swp33038  04/03/88  20:31:28      1.10  188   16
swp33562  18/05/88  15:38:42      1.51  224   17
swp33934  17/07/88  17:18:05      1.10  183   16
swp34102  19/08/88  11:55:03      1.10  176   16
swp34206  09/09/88  07:53:26      0.69  167   16
swp34397  02/10/88  06:10:33      1.10  169   16
swp35840  22/03/89  02:47:15      0.69  127   16
swp36219  08/05/89  15:48:29      1.10  173   16
swp36328  23/05/89  20:44:07      1.10  177   16
swp39631  14/09/90  01:04:18      1.10  180   16