V551 Sgr rare outburst continues YYYYMMDD(UT) mag observer 20000327.824 <150 (A. Pearce) 20000328.812 <150 (A. Pearce) 20000329.815 <150 (A. Pearce) 20000407.810 <150 (A. Pearce) 20000408.760 <140 (R. Stubbings) 20000409.634 139 (R. Stubbings) 20000409.674 139 (R. Stubbings) 20000409.823 138 (A. Pearce) 20000409.853 139 (A. Pearce) 20000411.590 139 (R. Stubbings) 20000414.728 144 (R. Stubbings) 20000416.796 144 (R. Stubbings)