EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp03497  30/11/78  13:21:13  10799.79  116   45
swp09217  07/06/80  09:07:12  11999.51  158   40
swp10282  05/10/80  02:40:23   7379.63  128   29
swp11061  15/01/81  20:45:00  10799.79  140   38
swp13613  30/03/81  11:31:40  10799.79  158   32
swp14225  09/06/81  07:05:00  17999.07  132   46
swp15686  09/12/81  01:48:51   8999.60  127   31
swp16424  25/02/82  16:26:01  10799.79  128   36
swp16556  17/03/82  11:44:38  10799.79  136   40
swp19800  23/04/83  19:17:55   3599.84   58   25
swp21904  29/12/83  06:58:50   4199.50   90   46
swp22863  27/04/84  15:03:13   3599.84  146   88
swp22864  27/04/84  17:11:23   3599.84  143   83
swp30303  13/02/87  17:17:04   5279.61   56   29
swp36430  09/06/89  08:30:57  14699.05   78   35
swp40074  07/11/90  14:54:49   7199.82   82   26
swp40104  13/11/90  19:53:55  10799.79  127   31
swp40105  14/11/90  00:41:24   8099.71   95   27
swp40626  17/01/91  20:15:40   9599.67  207   33
swp40629  18/01/91  18:16:33  10199.73  213   31
swp41123  17/03/91  12:18:01   9599.67  189   29
swp41124  17/03/91  16:27:57   8699.77  177   28
swp41525  30/04/91  09:20:48   8999.60  183   39
swp41526  30/04/91  13:23:04   8999.60  197   36
swp41970  01/07/91  05:08:26   8999.60  153   29
swp41971  01/07/91  09:16:43   8999.60  156   29