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MASTER SN candidate in SDSSJ124138.20+474742.9 discovery

ATel #3084; P. Balanutsa, E. Gorbovskoy, V. Lipunov, V. Kornilov, A. Belinski, N. Shatskiy, N. Tyurina, D. Kuvshinov, V. Chazov, A. Kuznetsov, D. Zimnukhov, M. Kornilov (SAI, Moscow State University), A. Tlatov, A. V. Parhomenko, D. Dormidontov (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Yu. Sergienko, D. Varda (Blagoveshchensk Educational University), V. Krushinski, I. Zalozhnih, T. Kopytova, A. Popov (Ural State University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, V. Lenok, O. Chuvalaev, V. Poleschuk, O. Gres,(Irkutsk State University)
on 20 Dec 2010; 13:31 UT
Distributed as an Instant Email Notice Request For Observations
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Supernovae, Transient

The MASTER auto-detection system at Kislovodsk detected a new transient source as the SN candidate at the position (R.A., Dec) = 12h 41m 38.10s , +47d 47m 51s.4, (J2000) with a typical uncertainty of 0.5" ( offset 8.6N 0.6W from SDSSJ124138.20+474742.9 galaxy) at 2010-12-19.01 (UT). The OT is seen at next images (2010-12-19.05 UT, 2010-12-20.11 UT).

There is no minor planet and any object brighter 20 mag in SDSS at this place.

The unfiltered magnitude is about 17.9 +-0.1 ( exposition 180s).

The spectral observations are needed.

The discovery image is available at http://observ.pereplet.ru/images/SN101219/sn.html

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