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MASTER OT 160558.15 +275921.7 discovery

ATel #3545; P. Balanutsa, E. Gorbovskoy, D. Gareeva, V. Lipunov, V. Kornilov, A. Belinski, N. Shatskiy, N. Tyurina, D. Kuvshinov, V. Chazov, A. Kuznetsov, D. Zimnukhov, M. Kornilov (SAI, Moscow), A. Tlatov, A. V. Parhomenko, D. Dormidontov (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, I. Kudelina ,Yu. Sergienko, D. Varda, E. Sinyakov (Blagoveshchensk Educational University), V. Krushinski, I. Zalozhnih, A. Popov (Ural State University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleschuk, O. Gres,(Irkutsk State University) , V. Shumkov, S. Shurpakov (MASTER team member)
on 10 Aug 2011; 17:23 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Supernovae, Transient

The MASTER auto-detection system at Tunka detected a new transient source at the position (R.A., Dec) = 16h 05m 58.15s , +27d 59m 21s.6, (J2000) 2011-08-09 16:22:25 (UT). The OT is seen at 3 images. There is no minor planet and any object brighter 21 mag in DSS at this place.

There is group of the anonymous galaxies very close to OT:

SDSS J160557.60+275921.1
SDSS J160558.47+275931.0
SDSS J160558.95+275921.8

So the OT is possible SN candidate.

The unfiltered OT magnitude is 17.2+-0.1 .

The images are available at
http://observ.pereplet.ru/images/SN110809/SN110809.jpg

Spectral observations are needed.

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