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Possible Nova in M31 detected by MASTER

ATel #8950; E. Popova, V. Lipunov(Lomonosov MSU), A. Tlatov (KSS), R. Rebolo (IAC), E. Gorbovskoy, N. Tiurina, P. Balanutsa, A. Kuznetsov, V. Kornilov, V. Vladimirov, I. Gorbunov (Lomonosov Moscow State University, SAI), M. Serra Ricart, G. Israelian (IAC), V. Senik, D. Dormidontov A. Parkhomenko (Kislovodsk Solar Station, Pulkovo observatory)
on 15 Apr 2016; 08:57 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

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

Referred to by ATel #: 9116, 9390, 9394

MASTER OT J004528.12+414117.6 discovery - possible Nova in M31

MASTER-Kislovodsk auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 349171 ) discovered OT source at (RA, Dec) = 00h 45m 28.12s +41d 41m 17.6s on 2016-04-10.03461 UT.

The OT unfiltered magnitude is 19.0m (the limit is 19.5m).

The OT is seen in 3 image. There is no minor planet at this place. We have reference image without OT on 2016-02-08.68476 UT with unfiltered magnitude limit 21.1m.

We reobserved it with unfiltered m_OT=18.6 on 2016-04-13 05:11:28.249UT in MASTER-IAC

Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/004528.12414117.6.png

MASTER Global Robotic Net