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MASTER-Kislovodsk: bright PSN in UGC12295

ATel #7886; O. Gress (ISU), V. Lipunov, E. Gorbovskoy, V. Kornilov, I. Gorbunov, N. Tiurina, P. Balanutsa, A. Kuznetsov, V. Chazov, D. Vlasenko, E. Popova (Lomonosov Moscow State University, Sternberg Astronomical Institute), V. Krushinsky, I. Zalozhnykh (Ural Federal University), D. Buckley, S. Potter, M. Kotze (South African Astronomical Observatory), R. Rebolo, M. Serra-Ricart, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto de Astrofisica de Canarias), A. Tlatov, D. Dormidontov, V. Senik, A. V. Parhomenko (Kislovodsk Solar Station of the Pulkovo Observatory), N. M.Budnev, K. Ivanov (Applied Physics Institute, Irkutsk State University), Yu. Sergienko, A. Gabovich, V. Yurkov (Blagoveschensk Educational State University), S. Shurpakov
on 7 Aug 2015; 12:06 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Supernovae, Transient

Referred to by ATel #: 7896, 7930

MASTER OT J230024.63+013736.8 discovery - possible SuperNova in UGC12295

MASTER-Kislovodsk auto-detection system ( Lipunov et al., Advances in Astronomy, MASTER Global Robotic Net, 2010 ) discovered OT source at (RA, Dec) = 23h 00m 24.63s +01d 37m 36.8s on 2015-08-06.90198 UT.

The OT unfiltered magnitude is 15.9m (the limit is 19.5m).

This PSN is seen in 3 images in 13.8"E and 1.4"N from the UGC12295 galaxy(z=0.016128). There is no minor planet at this place.

We have reference image without OT on 2010-11-06.74942 UT with 20.8 unfiltered magnitude limit in MASTER-Kislovodsk database.

Spectral observations are required.
The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/MASTEROTJ230024.63013736.8.png

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net