Saturday, 18 August 2018

Observation: 2018ctb

2018ctb, Type Ia in KUG 2158+198B
Discovered 2018-06-19.550 by All Sky Automated Survey for SuperNovae (ASAS-SN), mag 16.5 at discovery
R.A. = 22h01m08s.093, Decl. = +20°03'04".24



Observer: Cedric Raguenaud, SW France
2018-08-14.911
Approx mag 17.05CV ±0.02 (dmag 0.057 on 149 reference stars from UCAC-4), ZP=29.400mag
0.25m/f4 refractor + EQ8
QHY183C, 0.5"/pixel
6x300s, bin 1x1

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