SIMBAD references

Further to CBET 2199, H. Sato, National Astronomical Observatory of Japan, writes that he received a report of the outburst of this variable as a possible nova of mag 7.4 by Kazuo Sakaniwa (Higashichikumagun, Nagano prefecture) on an image taken around Mar 11.80 UT using a Canon digital camera (+ 70-mm f/3.2 camera lens), adding that nothing appeared at this position on Sakaniwa's survey frames taken on Jan. 10 (limiting mag 10.5), 24 (limiting mag 10.4), Feb. 8 (limiting mag 10.8), and 23 (limiting mag 10.6). Also, K. Ayani, Bisei Astronomical Observatory, reported an apparent independent discovery of the brightning of V407 Cyg by Akihiko Tago (Tsuyama, Okayama-ken, Japan) at 7th magnitude on two frames taken on Mar. 11.815 with a Canon EOS 5D camera (+ 105-mm camera lens).