PSN J04544410+6943075 2015 09 11.8718* 04 54 44.10 +69 43 07.5 17.6 U 67E 14N P16301 R 9
2015 09 11.8718
Jiaming Liao(Hefei,Anhui,China),Jiangao Ruan(Fangchenggang,guangxi,China) and Xing Gao (Urumqi,Xinjiang,China), report the discovery of a possible supernova (mag approximately 17.6) on one 40-s survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observation Sky Survey(C42) around Sept.11.87181 UT. using an unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=04h 54m 44s.10 Decl.=+69°43'07".5(equinox 2000.0). Which is about 67.1" east and 13.8" north of the center of the PGC 16301. Nothing is visible at this position on archival images taken on Aug.20(limiting mag 19.0), or on the DSS(POSS-II N) from Oct.01,1996(limiting mag about 19.7). NET UCAC-4 XM22RJ C2015 09 11.87181 04 54 44.10 +69 43 07.5 17.6 V C42 All images can be seen from: http://www.xjltp.com/XOSS/XM22JR/XM72ZX22JR.htm C42,Xingming Observatory,Mt. Nanshan. Observers J.Liao,J.Ruan,X.Gao,Measurers Z.Xu 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.
2015 09 12.88421
This transient was observed on 2015 09 12.88421 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. 17.6 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 44.08; 07.4 (J2000.0, mean residuals of 0.2" on both axes).
2015 09 18.89897
This transient was observed on 2015 09 18.89897 UT by Zhijian Xu and Xing Gao, using an unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ), in Xingming Observation Sky Survey(C42). 3 x 60-seconds exposures, show the source at mag. 17.6 U (reference stars from UCAC-4), with position end figures 44s.11, 07".5. Image can be seen: http://njzhijian.lamost.org/Supernova/PSN_J04544410+6943075_0918.jpg