SIMBAD references

Guoyou Sun (Wenzhou, Zhejiang, China) and Xing Gao (Urumqi, Xinjiang, China) report their independent discovery of M31N 2011-01a at mag approximately 18.0 on several 90-s CCD survey images (limiting mag about 19.5) taken by Xing Gao in the course of the Xingming Observatory Sky Survey at Mt. Nanshan on Jan. 8.527 with a 0.36-m f/6.9 Schmidt-Cassegrain telescope, providing position end figures 42s.64, 14".6. Sun and Gao have posted their discovery image at the following website URL: http://www.xjltp.com/XOSS/XM02GS/XM02GS.htm.