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MASTER: New OT in M31

ATel #10726; V. Shumkov, V. Lipunov, E. Gorbovskoy, N. Tiurina, P. Balanutsa, V. Kornilov, V. Chazov, A. Kuznetsov, D. Vlasenko, O. Gress, A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik , A. Makarov, A. Solomatov
on 10 Sep 2017; 08:06 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Nova, Supernovae, Transient, Variables

Referred to by ATel #: 10754

MASTER-Tavrida auto-detection system discovered OT source at (RA, Dec) = 00h 42m 59.00s +41d 26m 26.9s on 2017-09-09.93448 UT. The OT unfiltered magnitude is 18.3m (limit 19.1m). The OT is seen in 4 images. There is no minor planet at this place. We have reference image without OT on 2017-08-28.01847 UT with unfiltered magnitude limit 19.5m. Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/004259.00412626.9.png