Z Cha outburst Rod Stubbings reports that the eclipsing dwarf nova Z Cha is in outburst. YYMMDD(UT) mag observer 990104.471 <140 (R. Stubbings) 990109.477 150 (R. Stubbings) 990113.849 <140 (B. Monard) 990114.531 <145 (P. Nelson) 990115.830 <140 (B. Monard) 990116.498 153 (R. Stubbings) 990116.583 152 (P. Nelson) 990117.507 <150 (R. Stubbings) 990117.530 152 (P. Nelson) 990123.567 150 (R. Stubbings) 990130.469 <134 (R. Stubbings) 990131.467 124 (R. Stubbings) 990131.496 123 (R. Stubbings) The latest reported outburst of Z Cha occurred on 1998 Dec. 1 (Stubbings) at mv=12.4, latest superoutburst in 1998 July. Time-resolved observations eclipses are strongly encouraged. Regards, Taichi Kato