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MASTER discovery bright SN in NGC2748

ATel #10667; P. Balanutsa, V. Lipunov (Lomonosov MSU, SAI), O. Gress, V. Kornilov, E. Gorbovskoy, N. Tiurina, R. Rebolo, M. Serra-Ricart (IAC), A. Gabovich (BSPU), A. Kuznetsov, V. Shumkov, T. Pogrsheva, D. Zimnuhov (Lomonosov MSU), A. Tlatov, V. Senik (KSS), Yu. Sergienko, V. Yurkov (BSPU)
on 24 Aug 2017; 17:07 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Supernovae, Transient, Variables

Referred to by ATel #: 10686, 10698

MASTER-Kislovodsk auto-detection system discovered possible SN in NGC2748 at (RA, Dec) = 09h 13m 44.37s +76d 28m 42.4s on 2017-08-19.96322 UT.
This PSN is in 3" from the center of NGC2748 galaxy.
The OT unfiltered magnitude is 15.6m (limit 19.1m).
The OT is seen in 4 images. There is no minor planet at this place.
We have reference image without OT on 2017-04-20.81088 UT with unfiltered magnitude limit 19.5m.
Spectral observations are required.
The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/091344.71762842.5.png