GRB 110328A (trigger=450158) / Swift J164449.3+573451 T0= 12:57:45 UT, March, 28. result as April, 30, 2011 #, T0+ Filter Exposure OT upper limit telescope comment 1. 0.04321 CR 2940 n/d 19.6 GAS-250 not yet GCN published UT 13:26:25 - 14:38:57 1a. 0.03042 CR 18x60 n/d 19.0 GAS-250 not yet GCN published UT 13:31:46 - 13:51:20 2. 0.08944 R 6420 21.64 +/- 0.11 23.7 AZT-33IK GCN 11837, reported R=21.50 +/- 0.10 3. 1.25258 R 870 n/d 22.7 AZT-33IK GCN 11852 4. 3.28240 R 10230 22.44 +/-0.14 23.9 AZT-33IK GCN 11913 5. 4.35111 R 69x60 22.45 +/-0.12 23.7 ZTSh GCN 11913 6. 6.44459 R 96x60 22.68 +/-0.05 25.2 ZTSh GCN 11913