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Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J00405884+4124265

PNV J00405884+4124265   2013 09 10.8131*  00 40 58.84 +41 24 26.5  17.2 U             M31       0 2

2013 09 10.641

Nothing there on MASTER-Amur images (180-sec unfiltered exposures) obtained 4 hours before the discovery report (2013 Sep. 10 at 15:00:28, 15:21:06 and 15:42:34 UT) to limiting magnitude 19.0. Nothing on the sum of three individual images to m_lim=19.5. Combined image (total exposure 540 sec) is uploaded to http://master.sai.msu.ru/static/OT/J00405884+4124265-MASTER-Amur-Sep10.jpg

2013 09 12.822

This suspect was checked on 2013 09 12.822 by Gianluca Masi, Francesca Nocentini and Patrick Schmeer, remotely using the 17" robotic unit part of the Virtual Telescope Project facility in Ceccano, Italy. We find NO sources around the nominal position down to mag 19.0 or so.