Observation: AT2018fjy

AT2018fjy, Type unknown
Discovered 2018-08-16.326 by ZTF, mag 14.19 at discovery
R.A. = 18h42m58s.200, Decl. = +73°42’28”.36

Observer: Cedric Raguenaud, GSNST
2018-08-31.934
Approx mag 18.65CV ±0.02, ZP=29.679mag
Note: the coordinates match that of  Gaia DR2 2267874403102366464, mag about 20 (g band)
0.25m/f4 reflector + CCMOS 0.5″/pixel
6x300s, bin 1×1

Observation: AT2018fml

AT2018fml, Type unknown
Discovered 2018-08-23.199 by Gaia, mag 17.31 at discovery
R.A. = 16h52m04s.965, Decl. = +76°08’10”.68

Observer: Cedric Raguenaud, SW France, GSNST
2018-08-31.910
Approx mag 16.99CV ±0.01, ZP=29.204mag
Note: the candidate is extremely close to the core of the host galaxy (possibly PS1 199362530224694805). The luminosity of that galaxy is probably about 20 (g&r&i mag).
0.25m/f4 reflector + CCMOS 0.5″/pixel
6x300s, bin 1×1

Observation: AT2018frz

AT2018frz, Type unknown
Discovered 2018-08-31.48 by ATLAS, mag 16.468 at discovery
R.A. = 22h31m23s.000, Decl. = +33°30’57”.20

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-04.854
Approx mag 16.26CV ±0.00, ZP=29.081mag
0.25m/f4 reflector + CCMOS 0.5″/pixel
6x300s, bin 1×1

Observation: AT2018fsy

AT2018fsy, Type unknown in M31
Discovered 2018/09/02.965 by Emmanuel Conseil, mag 18.2 at discovery
R.A. = 00h44m19s.850, Decl. = +41°29’26”.50

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-04.885
Approx mag 17.54CV ±0.01, ZP=29.217mag
0.25m/f4 reflector + CCMOS 0.5″/pixel
6x300s, bin 1×1

Verification: AT2018ftn (GSNST 2018-ad)

AT2018ftn (GSNST018-ad), Type unknown
Discovered 2018-09-04.401 by GSNST, mag 17.29 at discovery
R.A. = 01h25m17s.870, Decl. = +09°39’00”.06

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-05.000
Not visible. Note the coordinates aren’t clear: LSPM J0125+0939 (high proper motion) is reported 01:25:17.57 +09:39:03.20 in SIMBAD but is visible at 01:25:17.95 +09:39:00.0. The candidate’s location is 01:25:17.457 +09:39:05.33, which is extremely close to LSPM J0125+0939’s official location.
0.25m/f4 reflector + CCMOS 0.5″/pixel
6x300s, bin 1×1

More observation might be required.