Category: Observation

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Observation: AT2018gqt

AT2018gqt, Type unknown
Discovered 2018-09-14.233 by ZTF, mag 17.88 at discovery
R.A. = 19h11m59s.510, Decl. = +31°57’05”.04

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-24.990
Approx mag 18.51CV ±0.05, ZP=29.170mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin1x1

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Observation: AT2018gtr

AT2018gtr, Type unknown
Discovered 2018-09-23.203 by ZTF, mag 18.4 at discovery
R.A. = 20h10m33s.750, Decl. = +52°44’54”.28

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-25.017
Approx mag 18.89CV ±0.08, ZP=29.541mag
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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Observation: AT2018gtb

AT2018gtb, Type unknown
Discovered 2018-09-21.322 by ZTF, mag 16.97 at discovery
R.A. = 23h09m38s.030, Decl. = +37°07’14”.94

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-25.114
Approx mag 17.0CV ±0.01, ZP=29.579mag
Candidate is probably CRTS CSS090819 J230938+370715, type CV
0.25m/f4 reflrctor + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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Observation: AT2018gqe

AT2018gqe, Type unknown in 2MASS 04540667+4853584
Discovered 2018-09-17.604 by ATLAS, mag 18.709 at discovery
R.A. = 04h54m06s.690, Decl. = +48°54’01”.04

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-25.167
Approx mag 18.57CV ±0.04, ZP=29.830mag (photometry is difficult due to proximity to galaxy core)
0.25m/f4 reflector + CCMOS, 0.5″/pixel
6x300s, bin 1×1

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Observation: AT2018gcc

AT2018gcc, Type unknown in 2MFGC 16062
Discovered 2018-08-11.448 by Pan-STARRS1, mag 20.2 at discovery
R.A. = 21h12m11s.370, Decl. = -00°15’24”.95

Observer: Cedric Raguenaud, SW France, GSNST
2018-09-24.8111
Unconfirmed, nothing is clearly visible. The core of 2MFGC 16062 is measured at 16.6CV. The target is only mag 20.2 6.5″ from the centre of the core. It could also have subsided since discovery.
0.25m/f4 reflector + CCMOS, 0.5″/pixel
5x300s, bin 1×1