Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J12204403+1650448

PSN J12204403+1650448   2015 05 12.65  *  12 20 44.03 +16 50 44.8  18.5 U    1W   1N            9 9


2015 05 12.65

We discovered this object on May 12.65 2015 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 18.5 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ12204403+1650448.png



2015 05 24.93558

This transient was observed on 2015 05 24.93558 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. 19.3 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 44.13; 43.9 (J2000.0, mean residuals of 0.1" on both axes).


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