EID Date UT Exposure Cont Bkgd (start) (sec) (DN) (DN) swp09900 25/08/80 22:56:54 1799.65 36 19 swp14688 08/08/81 00:20:20 5219.81 45 26 swp16702 06/04/82 18:20:37 1799.65 153 111 swp18373 23/10/82 13:09:28 2399.72 50 29 swp18661 26/11/82 18:22:53 5099.80 50 25 swp19577 29/03/83 08:50:27 5219.81 52 26 swp20327 26/06/83 23:11:57 1799.65 35 19 swp20329 27/06/83 04:38:23 4139.70 56 22 swp21749 11/12/83 10:54:33 4199.50 45 24 swp23623 06/08/84 17:59:52 5099.80 48 28 swp24662 11/12/84 09:51:27 3899.67 42 23 swp26166 14/06/85 01:43:35 2099.48 38 21 swp26943 15/10/85 15:02:03 2099.48 38 20 swp26945 15/10/85 19:13:40 5579.85 56 28 swp28167 14/04/86 02:05:41 4499.74 45 26 swp28370 24/05/86 00:18:52 3599.84 58 25 swp28372 25/05/86 00:55:55 4199.50 40 23 swp28373 25/05/86 05:48:16 3599.84 38 22 swp28922 16/08/86 20:19:25 16079.54 90 52 swp30828 22/04/87 02:00:03 10619.57 76 45 swp31712 04/09/87 15:55:58 3599.84 43 24 swp32456 03/12/87 10:17:10 2999.78 42 23 swp33348 24/04/88 02:05:36 1499.82 35 18 swp33349 24/04/88 03:14:49 4799.56 53 27 swp33353 25/04/88 02:22:19 10199.73 77 33 swp33674 30/05/88 00:30:39 1499.82 36 19 swp33675 30/05/88 01:44:50 4199.50 48 25 swp35023 13/12/88 10:09:54 3599.84 39 22 swp35973 10/04/89 02:25:29 3599.84 39 21 swp42155 02/08/91 00:20:55 2699.54 43 19