EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp02054  20/07/78  00:23:00    799.82  255   26
swp02055  20/07/78  02:09:00    359.50  255   18
swp15661  06/12/81  04:13:02   1439.07  191   23
swp15662  06/12/81  06:06:46    299.70  255   20
swp21698  06/12/83  04:14:31    599.52  255   18
swp21699  06/12/83  05:02:29    299.70  255   17
swp21800  18/12/83  23:39:40    239.49  198   18
swp21838  21/12/83  18:52:17  10799.79   62   39
swp21840  22/12/83  01:43:08    439.65  202   21
swp21841  22/12/83  03:39:46    439.65  196   22
swp23170  04/06/84  11:08:24   7199.69   70   45
swp23172  04/06/84  18:27:57   1438.28  182   37
swp24491  16/11/84  19:55:47    439.65  206   19
swp24492  16/11/84  21:30:39    439.65  211   18
swp24493  16/11/84  23:32:25  10799.79  140   93
swp29763  28/11/86  06:01:33    219.82  191   35
swp29788  02/12/86  06:15:43    219.82  196   21
swp29792  02/12/86  17:43:51    219.82  184   18
swp29795  03/12/86  00:46:32  16199.55   90   62
swp33840  01/07/88  05:31:14    219.82  193   17
swp33871  06/07/88  11:11:40    219.82  188   18