PSN J12245657+2121388 2015 02 25.71 * 12 24 56.57 +21 21 38.8 18.8 U 1E 2N 9 9
2015 02 25.71
We discovered this object on February 25.71 2015 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 18.8 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ12245657+2121388.png