Observation: 2018hju

2018hju, Type Ia in 2MASX J23552618+4711415
Discovered 2018-10-11.446 by ATLAS, mag 18.792 at discovery
R.A. = 23h55m25s.880, Decl. = +47°11’32”.56

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-20.007
Approx mag 17.54CV ±0.02, ZP=29.373mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Observation: 2018grt

2018grt, Type Ia in 2MASS 00043637+5159371
Discovered 2018-09-06.360 by ZTF, mag 18.79 at discovery
R.A. = 00h04m36s.310, Decl. = +51°59’37”.70

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-19.979
Approx mag 17.18CV ±0.02, ZP=29.530mag
Note: Supernova not clearly distinguished from galaxy core
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Observation: 2018gec

2018gec, Type Ia in UGC 3700
Discovered 2018-08-25.230 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 17.2 at discovery
R.A. = 07h09m53s.383, Decl. = +54°58’07”.71

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-20.125
Approx mag 17.734, ZP=29.530mag
Note: the supernova is faint and close to the core, so photometry is difficult
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Observation: AT2018hlu

AT2018hlu, Type unknown
Discovered 2018-10-09.635 by ATLAS, mag 18.853 at discovery
R.A. = 07h25m45s.040, Decl. = +54°31’55”.06

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-21.153
Approx mag 17.89CV ±0.01, ZP=29.679mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Observation: AT2018hld

AT2018hld, Type nova in M31
Discovered 2018-10-15.457 by Koichi Nishiyama and Fujio Kabashima, mag 16.285 at discovery
R.A. = 00h42m03s.100, Decl. = +41°02’33”.10

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-19.928
Approx mag 16.90CV ±0.01, ZP=29.212mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1