PSN J01510869+3155215 2015 09 12.78 * 01 51 08.69 +31 55 21.5 17.8 U 0E 2N 9 9
2015 09 12.78
We discovered this object on September 12.78 2015 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 17.8 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ01510869+3155215.png
2015 09 19.12471
This transient was observed on 2015 09 19.12471 by G. Masi, remotely using the 17"-f/6.8 robotic unit part of the Virtual Telescope Project facility, at Bellatrix Astronomical Observatory in Ceccano, Italy. 120-seconds exposures, unfiltered, show the source at mag. 16.6 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 08.73; 20.7 (J2000.0, mean residuals of 0.2" on both axes).