Category: Supernova

2018hhn, Type Ia in UGC 12222
Discovered 2018-10-13.867 by Jaroslaw Grzegorzek, mag 17.1 at discovery
R.A. = 22h52m32s.060, Decl. = +11°40’26”.70

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-23.951
Approx mag 16.06CV ±0.02, ZP=28.937mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

2018hde, Type IIP in CGCG 230-008
Discovered 2018-10-07.172 by Lick Observatory Supernova Search, mag 18.6 at discovery
R.A. = 19h21m18s.220, Decl. = +43°59’24”.72

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.840
Approx mag 18.84CV ±0.04, ZP=29.741mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Last observation: 2018-10-07.924 at mag 19.03CV ±0.03

2018hmk, Type Ib in NGC 6640
Discovered 2018-10-18.642 by Gaia, mag 18.49 ar discovery
R.A. = 18h28m08s.125, Decl. = +34°18’15”.74

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.875
Approx mag 17.54CV ±0.05, ZP=29.138mag
Note: the supernova is very close to the galaxy core so photometry is unreliable
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

2018gva, Type Ia in CGCG 286-070
Discovered 2018/09/25.469 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 16 at discovery
R.A. = 07h51m09s.579, Decl. = +62°05’12”.16

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.069
Approx mag 17.36CV ±0.02, ZP=29.292mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

2018gvl, Type Ia in UGC 3488
Discovered 2018-09-22.510 by ZTF, mag 20.36 at discovery
R.A. = 06h34m10s.850, Decl. = +52°07’47”.28

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.144
Approx mag 17.98CV ±0.03, ZP=29.588mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1