Observation: 2018hmk

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

Observation: 2018gva

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

Observation: 2018gvl

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

Observation: 2018hjw

2018hjw, Type Ia-91T-like in CGCG 030-025
Discovered 2018-10-11.580 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 17 at discovery
R.A. = 07h53m02s.170, Decl. = +07°16’31”.48

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.177
Mag unknown: the supernova near the core isn’t visible. Core mag is 16.58CV ±0.01, which is in line with SIMBAD data.
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

Observation: 2018hay

2018hay, Type II
Discovered 2018-10-02.620 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 16.4 at discovery
R.A. = 09h23m17s.659, Decl. = +42°22’48”.58

Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.205
Approx mag 17.03CV ±0.01, ZP=28.285mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1