AT2019abn, Type LBN in M51
Discovered 2019-01-22.555 by ATLAS, mag 19.58r at discovery
R.A. = 13h29m42s.394, Decl. = +47°11’16”.99
Observer: Cedric Raguenaud, SW France, GSNST
2019-02-18.072
Approx mag 17.57V ±0.02, ZP=28.136mag
0.25m/f4 + CCMOS, 0.5″/pixel
30x60s, bin 1×1