SDSSJ123813.73-033933.0 recent (cont'd) YYYYMMDD(UT) mag observer 20060430.581 <168CR (Hiroyuki Maehara) 20060503.509 175C (Hiroyuki Maehara) 20060504.503 <173CR (Hiroyuki Maehara) 20060520.600 <168CR (Hiroyuki Maehara) 20060521.608 <162CR (Hiroyuki Maehara)