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Possible Supernova discovered by MASTER

ATel #6674; S. Shurpakov, D. Denisenko, V. Lipunov, E. Gorbovskoy, N. Tiurina, P. Balanutsa, V. Kornilov, N. Shatskiy, V. Chazov, A. Kuznetsov, V. Vladimirov, E. Popova (Lomonosov Moscow State University, SAI), A. Tlatov, D. Dormidontov, V. Senik, A. Parkhomenko (Kislovodsk Solar Station of Pulkovo Observatory), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress (Irkutsk State University), V. Yurkov, A. Gabovich, Y. Sergienko, E. Sinyakov (Blagoveshchensk Educational University), V. Shumkov (MASTER team member)
on 7 Nov 2014; 10:10 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Supernovae, Transient

MASTER OT J210318.46-140351.7 - PSN

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 21h 03m 18.46s -14d 03m 51.7s on 2014-11-06.65560 UT. The OT unfiltered magnitude is 16.2m (limit 18.5m). The OT is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2014-09-23.73466 UT with unfiltered magnitude limit 19.8m.

The OT is located 1" west and 4" south of the center of the galaxy PGC 929504 = GALEX J210318.4-140346 with unknown redshift. Color-combined DSS finder chart is uploaded to http://master.sai.msu.ru/static/OT/J210318-140351-JRIR5x5.jpg (2x zoom). This area of sky in Aquarius is not covered by SDSS.

Spectral confirmation is required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/210318.46-140351.7.png

List of Optical Transients discovered by MASTER

Global MASTER Robotic Net