IAU Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J12245668+2121410

PSN J12245668+2121410   2014 05 22.65  *  12 24 56.68 +21 21 41.0  17.4 U    3E   4N            9 9



2014 05 22.65

We discovered this object on May 22.65 2014 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 17.4 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ12245668+2121410.png




2014 05 23.8941

Mag.: 17.9(V) R.A.: 12 24 56.63; Decl.: +21 21 39.9 (2000.0). Reference: NOMAD Observer: Massimiliano Martignoni - Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy Telescope: Schmidt-Cassegrain 0.25m-f/10.0 - CCD: KAF0261E




2014 05 29.8329

This transient was observed on 2014 05 29.8329 by Gianluca Masi, remotely using the 17"-f/6.8 corrected Dall-Kirkham robotic unit part of the Virtual Telescope Project facility, at Bellatrix Astronomical Observatory in Ceccano, Italy. 180-seconds exposures, unfiltered, show the source at mag. 17.8 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 56.71; 40.0 (J2000.0, mean residuals of 0.2" on both axes).



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