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Bright Possible Supernova discovered by MASTER

ATel #5945; P. Balanutsa, D. Denisenko, V. Lipunov, E. Gorbovskoy, N. Tiurina, V. Kornilov, N. Shatskiy, V. Chazov, A. Kuznetsov, A. Rufanov, V. Vladimirov, V. Yecheistov (Moscow State University, SAI), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov, A. Gabovich (Blagoveshchensk Educational University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress (Irkutsk State University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk Solar Station of Pulkovo Observatory), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), P. Podvorotny, V. Shumkov, S. Shurpakov (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez, F. Podest (OAFA)
on 4 Mar 2014; 14:58 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Supernovae, Transient

MASTER OT J111920.95+724857.3 - possible Supernova

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 11h 19m 20.95s +72d 48m 57.3s on 2014-03-03.60984 UT. The OT unfiltered magnitude is 15.4m (limit 18.1m). The OT is seen in 5 images. There is no minor planet at this place. The OT was already present near the edge of FOV on survey images from the same telescope on 2014-03-02.548 UT at unfiltered magnitude 15.2m (limit 18.1m). We have reference image without OT on 2011-11-20.69198 UT with magnitude limit in R filter 18.6m.

The OT is located 11" east and 29" south of the center of galaxy PGC 34635 = MCG+12-11-015 (z=0.0222). Spectral confirmation is required. Discovery, confirmation and reference images are available at: http://master.sai.msu.ru/static/OT/111920.95724857.3.png

List of Optical Transients discovered by MASTER

Global MASTER Robotic Net