RXJ0643.9-2052 recent (cont'd) YYYYMMDD(UT) mag observer 20001216.492 <144 (R. Stubbings) 20001216.603 <155 (A. Pearce) 20001217.499 <140 (R. Stubbings) 20001217.594 <155 (A. Pearce) 20001218.626 <140 (R. Stubbings) 20001218.749 <155 (A. Pearce) 20001219.510 <144 (R. Stubbings) 20001220.496 <140 (R. Stubbings) 20001220.765 <157 (A. Pearce) 20001221.765 <157 (A. Pearce) 20001222.492 <140 (R. Stubbings) 20001222.767 <157 (A. Pearce) 20001223.556 <140 (R. Stubbings) 20001223.747 <157 (A. Pearce) 20001225.489 <148 (R. Stubbings) 20001226.712 <140 (R. Stubbings) 20001227.478 <140 (R. Stubbings) 20001228.483 <140 (R. Stubbings) 20001229.492 <140 (R. Stubbings) 20001230.510 <140 (R. Stubbings) 20001231.630 <140 (R. Stubbings) 20010101.501 <140 (R. Stubbings) 20010101.765 <155 (A. Pearce) 20010102.769 <155 (A. Pearce) 20010103.531 <140 (R. Stubbings) 20010103.774 <155 (A. Pearce) 20010104.772 <155 (A. Pearce) 20010109.792 <142 (A. Pearce) 20010113.471 <140 (R. Stubbings) 20010113.608 <155 (A. Pearce) 20010114.572 <155 (A. Pearce) 20010115.503 <144 (R. Stubbings) 20010115.565 <152 (A. Pearce)