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3 OT discovered by MASTER-OAFA(Argentina), -SAAO (SA), -IAC(Spain)

ATel #9748; P. Balanutsa, V. Lipunov (Lomonosov MSU), R. Podesta (OAFA), H. Levato (ICATE), R. Rebolo, M. Serra-Ricart (IAC), D. Buckley (SAAO), N. Tiurina, E. Gorbovskoy, A. Kuznetsov, V. Vladimirov, O. Gress, K. Ivanov, V. Chazov (Lomonosov Moscow State University, SAI), C. Lopez, F. Podesta (OAFA), C. Saffe (ICATE), A. Gabovich (BSPU)
on 12 Nov 2016; 08:54 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Cataclysmic Variable, Transient, Variables

MASTER OT J014405.55+385713.7 discovery - new OT (dwarf nova?), Ampl>3.6m

MASTER-IAC auto-detection system discovered OT source at (RA, Dec) = 01h 44m 05.55s , +38d 57m 13s.7 on 2016-11-04 02:42:58.832UT with unfiltered m_OT=18.9 ( 2 images).
There are also 2 images with m_OT=18.4 on 2016-11-10 15:53:56.779UT in (MASTER-Kislovodsk)
There are reference images without OT on 2016-10-04 22:43:08UT in MASTER-Kislovodsk database with unfiltered mlim=20.5.
There is no any known sources in VIZIER database (22mag POSS B,R limit)
The discovery and reference images are available at http://master.sai.msu.ru/static/OT/MASTEROTJ014405.55+385713.7.jpg

MASTER OT J043243.30-450902.7 detection - possibly UVCet? flare
MASTER-OAFA (Argentina) auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 04 32 43.30 -45 09 02.7 on 2016-11-05 02:34:50.508 with unfiltered m_OT=16.2
There is photometry of flare:

Date (UT)               Unfiltered m_OT 
2016-11-05 02:34:50.508	16.2 
2016-11-05 02:54:09.285	17.1 
2016-11-05 03:16:17.516	17.9 
The reference image with marginally seen OT is on 2016-08-05 09:00:57 with unfiltered m_OT<~20.6 (mlim=20.6)
There is GSC2.3.2 star with red F=20.1, blue jmag=22.2
The discovery and reference images are available at http://master.sai.msu.ru/static/OT/MASTEROTJ043243.30-450902.7.jpg

MASTER OT J062330.57-352619.7 discovery - OT with Ampl>4.3m

MASTER-SAAO auto-detection system discovered OT source at (RA, Dec) = 06h 23m 30.57s -35d 26m 19.7s on 2016-11-09.93855 UT.
The OT unfiltered magnitude is 17.2m (mlim=19.0).
The OT is seen in 6 images. There is no minor planet at this place.

datetime, UT	        Unfiltered_mag 
2016-11-09 22:31:31.119	18.7 
2016-11-09 22:48:17.144	17.7 
2016-11-09 23:07:01.835	17.8 
2016-11-09 23:12:25.802	18.3 
2016-11-09 23:16:35.245	18.7 
We have reference image on 2015-10-11.07144 UT with unfiltered mlim=20.7m.
MASTER-OAFA has reference image without OT on 2016-11-06 08:01:03 with unfiltered mim=20.0
There is only GSC2.3.2 star with known only blue value jmag=22.4
The discovery and reference images are available at http://master.sai.msu.ru/static/OT/062330.57-352619.7.png
List of Optical Transients discovered by MASTER

MASTER Global Robotic Net