RX J0640-24 bright outburst continues Very likely a superoutburst! YYYYMMDD(UT) mag observer 20000510.428 <135 (R. Stubbings) 20000510.690 <138 (B. Monard) 20000513.396 118 (R. Stubbings) 20000513.685 111 (B. Monard) 20000514.688 110 (B. Monard) 20000515.449 112 (R. Stubbings) 20000515.696 111 (B. Monard) 20000516.417 114 (R. Stubbings) 20000516.692 112 (B. Monard) 20000517.365 114 (R. Stubbings) 20000517.444 115 (A. Pearce)