Category: Likely CV

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Observation: AT2018fka

AT2018fka, Type unknown
Discovered 2018-08-22.415 by ZTF, mag 18.67 at discovery
R.A. = 01h08m53s.410, Decl. = +09°01’21”.42

Observer: Cedric Raguenaud, SW France, GSNST
2018-08-27.040
Not visible
0.25m/f4 + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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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

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Observation: AT2018eds

AT2018eds, Type unknown
Discovered 2018-07-23.803 by Gaia, mag 17.71 at discovery
R.A. = 22h36m50s.339, Decl. = +69°41’28”.32

Observer: Cedric Raguenaud, SW France
2018-07-30.917
Approx mag 17.67CV ±0.03 (dmag 0.142 on 32 refernce stars from UCAC4), ZP=30.156mag
0.25m/f4 + EQ8
QHY183C, 0.5″/pixel
3x500s, bin 1×1

Probably a CV.