Year: 2018

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Observation: AT2018gen

AT2018gen, Type unknown
Discovered 2018-09-10.441 by ATLAS, mag 18.036 at discovery
R.A. = 21h57m46s.340, Decl. = +30°56’51”.71

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-12.970
Approx mag 18.02CV ±0.03, ZP=28.343mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
3x300s, bin 1×1

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Observation: AT2018geu

AT2018geu, Type CV
Discovered 2018-09-08.967 by Gaia, mag 18.39 at discovery
R.A. = 00h36m28s.949, Decl. = +39°10’13”.30

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-13.062
Approx mag 17.49CV ±0.01, ZP=28.477mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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Observation: AT2018gfb

AT2018gfb, Type unknown
Discovered 2018-09-08.259 by Gaia, mag 17.41 at discovery
R.A. = 20h52m37s.999, Decl. = +30°33’10”.80

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-13.042
Approx mag 17.65CV ±0.01, ZP=28.834
0.25m/f4 reflector + CCMOS, 0.5″/pixel
4x300s, bin 1×1

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Observation: AT2018gfh

AT2018gfh, Type unknown in UGC 12914
Discovered 2018-09-11.799 by PMO-Tsinghua Supernova Survey (PTSS), mag 18.5 at discovery
R.A. = 00h01m38s.450, Decl. = +23°29’02”.81

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-12.858
Unconfirmed. Nothing is visible that close to the galaxy core.
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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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