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Three MASTER OT`s discovery

ATel #3870; N. Tiurina, P. Balanutsa, V. Lipunov, E. Gorbovskoy, V. Kornilov, A. Belinski, N. Shatskiy, V. Chazov, A. Kuznetsov, D. Zimnukhov, D. Gareeva (Moscow State University, SAI) V. Krushinsky, I. Zalozhnih, A. Popov (Ural State 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 the Pulkovo observatory RAS) V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov (Blagoveshchensk Educational University) V. Shumkov, S. Shurpakov , P. Podvorotniy (MASTER team members)
on 18 Jan 2012; 16:03 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable, Supernovae

Referred to by ATel #: 3879

MASTER013902.45+613055.6 - PSN

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 01h 39m 02.45s +61d 30m 55.6s on 2012-01-13.87624 UT The OT unfiltered magnitude in filter is 17.1 m (limit 18.9m). The OT is seen in 4 images. There is no minor planet at this place. There is one nonstar object in the Guide Star Catalog NAMB053510. The discovery images are available at http://observ.pereplet.ru/images/MASTER01390245+6130556/ OT013902.45+613055.jpg Spectral observations are required.

MASTER161755.05+563552.6 - ?

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 16h 17m 55.05s +56d 35m 52.6s on 2012-01-15.97579 UT. The OT unfiltered magnitude is 18.4 m (limit 19.9m)

The OT is seen in 2 image. There are no minor planet and any object at this place.

We have reference image without OT on 2011-02-27.83473 UT with unfiltered magnitude limit 22.05m

The discovery images are available at http://observ.pereplet.ru/images/MASTER161755.05+563552.6/MASTER161755.05+563552.6.png

Spectral observations are required.

MASTER040821.91+141515.0 - ?

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 04h 08m 21.91s +14d 15m 15.0s on 2012-01-18.57602 UT.

The OT unfiltered magnitude is 17.4m (limit 19.0m). The OT is seen at 2 image. There are no minor planet or any known object at this place.

We have reference image without OT on 2010-12-24 19:59:30 UT with unfiltered magnitude limit 20.0m

The images are available at http://observ.pereplet.ru/images/OT040821+141515/MASTER040821.91+141515.jpg

Spectral observations are required.

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