OT_J102146.4+234926: light curve update We have updated the light curve of this object: http://home.hiroshima-u.ac.jp/~uemuram/J1021/J1021.html A long tail from the superoutburst continues over 1 month. The object was about 19.7 mag in 14 Jan. Regards, Makoto Uemura Hiroshima University