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MASTER-IAC: bright PSN in PGC1030654

ATel #11247; P. Balanutsa, V. Lipunov (Lomonosov MSU), R. Rebolo Lopez, M. Serra-Ricart (IAC), E. Gorbovskoy, V. Kornilov, N. Tiurina, A. Kuznetsov, O. Gress, V. Shumkov, K. Vetrov, V. Vladimirov, I. Gorbunov, D. Zimnukhov, D. Vlasenko, D. Kuvshinov (Lomonosov Moscow State University)
on 31 Jan 2018; 13:22 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Supernovae, Transient

MASTER OT J142117.5-063736.1 discovery - bright PSN in PGC1030654

MASTER-IAC auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
discovered OT source at (RA, Dec) = 14h 21m 17.5s -06d 37m 36.1s on 2018-01-26.1918UT .

The OT unfiltered magnitude is 17.2 (mlim=19.8)
This PSN is in 7.8" from PGC 1030654 (Btc=15.7, also GALEX source).
There are 10 images with this PSN
We have reference images without OT on 2017-12-19 06:47:13UT with unfiltered magnitude mlim=18.5, on 2016-02-11 05:09:58UT with unfiltered mlim=20.6 (MASTER W=0.2B+0.8R calibrated by USNO-B1)
The discovery and reference images are available
http://master.sai.msu.ru/static/OT/MASTEROTJ142117.5-063736.1.jpg

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net