EID       Date      UT       Exposure  Cont  Bkgd
(start)  (sec)     (DN)  (DN)
swp01881  29/06/78  21:26:00   1199.59   43   20
swp01898  01/07/78  19:53:33   2999.78   82   35
swp06285  26/08/79  10:52:34   2999.78   79   37
swp09355  23/06/80  19:11:01   1799.65   97   61
swp09356  23/06/80  20:28:06   2999.24   66   27
swp14360  30/06/81  01:56:31   5399.63   89   24
swp14589  30/07/81  00:44:47  10979.61  152   34
swp15856  23/12/81  15:20:00   8819.79   59   33
swp16433  26/02/82  21:20:18   1799.65   50   24
swp16441  27/02/82  18:23:47   2399.72  102   48
swp17623  07/08/82  23:16:35   8999.60   49   29
swp18508  08/11/82  19:22:15   1379.81   39   18
swp20349  01/07/83  03:44:35   4979.79   77   25
swp21734  09/12/83  19:27:15  14399.77  105   60
swp21735  09/12/83  23:58:48   7199.82  201  141
swp21751  11/12/83  18:40:41  25799.75  108   67
swp21772  14/12/83  15:31:30   3599.84   46   24
swp31311  09/07/87  04:12:34  23999.56  122   68
swp32627  27/12/87  18:25:28  23099.67  166   72
swp32921  14/02/88  12:16:02  23999.56  115   69
swp33882  09/07/88  03:59:19  24599.63  116   63
swp35100  22/12/88  18:35:50  22499.61  114   60
swp35512  08/02/89  13:16:37  20699.82  168   93
swp35517  09/02/89  13:41:03  18899.63  255   86
swp37849  19/12/89  18:17:03  23399.50   86   49
swp37857  20/12/89  18:08:16  23999.56   95   54
swp37883  23/12/89  18:13:29   4499.74   41   21
swp37884  23/12/89  20:23:03  16079.54   63   39