Observation: 2018ddu

2018ddu, Type Ic in 2MASX J16354562+7141121
Discovered 2018-07-04.367 by ZTF
R.A. = 16h35m46s.560, Decl. = +71°41’15”.24

Observer: Cedric Raguenaud, SW France
2018-08-15.972
Approx mag 18.30CV ±0.06 (dmag 0.066mag on 192 reference stars from UCAC-4), ZP=29.420
0.25m/f4 refractor + EQ8
QHY183C, 0.5″/pixel
6x300s, bin 1×1

Observation: 2018ctb

2018ctb, Type Ia in KUG 2158+198B
Discovered 2018-06-19.550 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 16.5 at discovery
R.A. = 22h01m08s.093, Decl. = +20°03’04”.24

Observer: Cedric Raguenaud, SW France
2018-08-14.911
Approx mag 17.05CV ±0.02 (dmag 0.057 on 149 reference stars from UCAC-4), ZP=29.400mag
0.25m/f4 refractor + EQ8
QHY183C, 0.5″/pixel
6x300s, bin 1×1

Observation: 2018dzr

2018dzr, Type Ia
Discovered 2018-07-16.036 by Gaia, mag 18.54 at discovery
R.A. = 17h02m22s.568, Decl. = +57°45’05”.15

Observer: Cedric Raguenaud, SW France
2018-08-06.911
Approx mag 19.18CV ±0.03 (dmag 0.065mag on 210 reference stars from UCAC-4), ZP=28.966mag
The SN lives in an anonymous galaxy that is much fainter
0.25m/f4 refractor + EQ8
QHY183C, 0.5″/pixel
6x300s, bin 1×1

Previous observation by Malhar Kendurkar
2018-07-18.028
V = 18.05 +/- 015

Observation: 2018enb & 2018ebs

2018ebs, Type Ia in NGC 7107, discovered by ATLAS on 2018-07-16.608, mag 19,646 at discovery
R.A. = 21h39m37s.620, Decl. = +08°56’39”.78
2018enb, Type Ia in NGC 7100, discovered by Koichi Itagaki on 2018-08-02.663, mag 16.7 at discovery
R.A. = 21h39m34s.570, Decl. = +08°52’47”.30

Observer: Cedric Raguenaud, SW France
2018-08-16.146
2018enb: approx mag 17.94CV ±0.37 (dmag 0.057mag on 384 reference stars from UCAC-4), ZP=29.335mag
2018ebs: approx mag 17.29CV ±0.01 (dmag 0.057mag on 384 reference stars from UCAC-4), ZP=29.335mag
0.25m/f4 refractor + EQ8
QHY193C, 0.5″/pixel
6x300s, bin 1×1

Verification: AT2018ewz

AT2018ewz, Type unknown in LEDA 1537119
Discovered 2018-08-09.123 by Malhar R. Kendurkar, mag 19.2 at discovery
R.A. = 00h15m55s.400, Decl. = +17°36’59”.81

Observer: Cedric Raguenaud, SW France
2018-07-14.958
Not visible. Most likely a CV or hot pixels
0.25m/f4 + EQ8
QHY183C, 0.5″/pixel
6x300s, bin 1×1