PKS 1510-089 had brightened since JD 2454900. The object reached about V~14.9. The object showed the feature of redder-when-brighter trend, which was redder when the object was bright. The object was faded at JD 2454940.
Data policy: Please contact Dr. Makoto Uemura (uemuram_at_hiroshima-u.ac.jp)
if you want to use the data shown in the blog for your research.