While awaiting return to science, we executed CAP 1325 to start a long ACIS CTI measurement. CAP execution started at 208/02:26Z Obsid was changed to 62673 at 208/02:31Z Start science was executed at 208:02:35:17 Bias telemetry was complete and science frames observed by 208:02:56 We anticipate this measurement will be interrupted by resumption of science Sunday night. Dick Edgar, for ACIS ops