MASTER-OAFA: bright PSN in

ATel #11838; T. Pogrosheva, V. Lipunov (Lomonosov MSU), R. Podesta (OAFA), H. Levato (ICATE), V. Kornilov, E. Gorbovskoy, I. Gorbunov, N. Tiurina, P. Balanutsa, O. Gress, A. Kuznetsov, V. Chazov, D. Vlasenko, V. Vladimirov, (Lomonosov Moscow State University, SAI), D. Buckley (SAAO), R. Rebolo, M. Serra-Ricart (IAC), C. Lopez, F. Podesta (Observatorio Astronomico Felix Aguilar San Juan University), C. Saffe (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio), A. Gabovich(BSPU), V. Senik (KSS Pulkovo observatory)
on 10 Jul 2018; 20:40 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Tweet

MASTER OT J051133.47-211610.2 discovery - PSN in 12.7"W,3"S of PGC016891

MASTER-OAFA auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
discovered OT source at (RA, Dec) = 05h 11m 33.47s -21d 16m 10.2s on 2018-07-10.44087 UT. The OT unfiltered magnitude is 15.3m (mlim=18.0m).
This PSN is seen in 3 images. There is no minor planet at this place.
This PSN is in 12.7"W,3"S of PGC016891 with Btc=15.55

We have reference images without OT since 2009 on
Date,UT unfiltered_mlim Observatory
2018-05-02 23:21:16 18.5 MASTER-OAFA
2018-02-21 21:06:01 19.9 MASTER-IAC
2017-12-22 06:25:25 20.8 MASTER-OAFA
2017-04-20 00:34:02 20.2 MASTER-OAFA
2017-01-20 00:02:41 20.1 MASTER-IAC
2016-10-29 07:09:17 20.5 MASTER-OAFA
2016-09-28 06:01:59 20.1 MASTER-OAFA
2016-07-05 10:21:48 19.1 MASTER-OAFA
2015-10-13 00:30:28 20.7 MASTER-SAAO
2015-04-23 17:34:48 20.3 MASTER-SAAO
2015-02-17 21:40:37 20.8 MASTER-SAAO
2014-09-22 01:22:27 20.2 MASTER-Kislovodsk
2009-12-23 20:42:05 19.5 MASTER-Kislovodsk
2009-10-17 00:51:13 19.5 MASTER-Kislovodsk
2009-09-18 01:39:34 18.5 MASTER-Kislovodsk

The USNO-B1 source in history seems to be a star formation region in this galaxy

Spectral observations are required.
The discovery and reference images are available at http://master.sai.msu.ru/static/OT/104822.39-453356.8.png

MASTER Global Robotic Net