Supernova in galaxy NGC 3741

The red blob could be a #supernova candidate. Visible in Legacy Survey DR9, 8 and 6&7 not visible in SDSS. Not in NED, Simbad Search, the TNS or the RBS pages.
Visible in four single image cutouts from 2016 2017-04-13, 2016-04-26, 2016-04-27, 2016-03-28 in z-band. Not visible in 2017 and 2018. No #asteroids. It has given mags. in the DR9 and DR8 catalog 19.65 and 19.68.

Ine :stars::dizzy:

Legacy Survey DR9