In this Research Note we present a serendipitous discovery of the transient CGS2004A (AT2004iu) in an image collected by the Carnegie-Irvine Galaxy Survey of the Scd: galaxy NGC 1892, which we determine is most likely to have been a type IIP supernova.
@article{arxiv.1809.00163,
title = {Serendipitous Discovery of a 14-year-old Supernova at 16 Mpc},
author = {James Guillochon and Jorge Stockler de Moraes and Matt Nicholl and Daniel J. Patnaude and Katie Auchettl and Aaron J. Barth and Luis C. Ho and Zhao-Yu Li},
journal= {arXiv preprint arXiv:1809.00163},
year = {2018}
}