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