The AM CVn-type helium cataclysmic variable CR Boo is undergoing a bright outburst after an episode of rapid variation (vsnet-alert 894, http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Mail/vsnet-alert/msg00894.html) as reported by Gary Poyner. Recent observations: YYMMDD(UT) mag code 970505.187 154: HSG 970506.183 155: HSG 970506.928 155 POY 970507.877 168 JEN 970508.242 151 HSG 970509.060 155 POY 970510.206 142 HSG 970511.035 153 POY 970511.972 156 POY 970512.931 <154 POY 970513.387 144 HSG 970513.887 155 JEN 970513.932 <154 POY 970514.060 159: POY 970514.372 <154 HSG 970514.967 <149 POY 970515.030 153: POY 970515.869 <160 JEN 970516.867 <160 JEN 970517.397 150: HSG 970517.416 148: HSG 970519.396 <141 HSG 970519.957 137 POY 970520.031 136 POY For more information of the object and the international observing campaign in 1996, refer to the following URLs http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/crboo.html, http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/crboo2.html, http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/crboo3.html Regards, Taichi Kato