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MASTER-Net Prediscovery Detections of the SN 2010ho

ATel #2851; 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), 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(Irkutsk State University)
on 20 Sep 2010; 18:19 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Supernovae

We find 3 unfiltered prediscovery images in MASTER-Net data base 16 days and 5 days before SN2010ho Ia discovery (Leonini and Guerrini, CBET 2445). Supernova detected on two sites (located at Kislovodsk and Tunka-Baykal)of the robotic Net.

Date time UTC Exp.time Filter Mag err Limit Site
2010-08-19.68 60 unfilter 18.1 0.3 18.9 Tunka
2010-08-19.71 60 unfilter 17.6 0.1 19.2 Tunka
2010-08-31.92 180 unfilter 16.6 0.05 19.5 Kislovodsk

The unfiltered images are calibrated relative to USNO A2.0 (R).

We have 16 post discobery images in R,V -filters.

MASTER Robotic Net