2UCAC 39628611(mag12.3) by (20)Massalia on 2017 Dec. 19 ** Prediction: Long.: 138o 00' 00" E, Lat.: 34o 18' 27" N PredTime: 13h 45m 52s **** Successful observations: Observer: Sadayuki Uchiyama (JOIN:17777) Place: Hamamatsu, Shizuoka, Japan Long.: 137o 49' 07.8" E, Lat.: 34o 54' 52.3" N, Height: 116m (JGD2000=WGS84) Method: VCR, 30cm F10 Schmidt Cass, x0.7 Reducer, WAT-902H2, Limovie Time signal: GPS Result: D 13h 46m 20.39s +/-0.06s R 13h 46m 24.37s +/-0.06s Note: Low certainty because too small dmag 0.03. ** undetectable observations: Observer: Hidehito Yamamura (JOIN:17775) Place: Taiki, Mie, Japan Long.: 136o 25' 06.0" E, Lat.: 34o 22' 20.4" N, Height: 102m (JGD2000=WGS84) Method: VCR, 20cm F10 Schmidt Cass, WAT-910HX(Slow shutter 32Fr), Limovie Time signal: GHS-OSD Note: Undetectable because too small dmag 0.03. Observer: Toshihiko Ito (JOIN:17822) Place: Suzuka, Mie, Japan Long.: 136o 34' 35.2" E, Lat.: 34o 51' 04.6" N, Height: 18m (JGD2000=WGS84) Method: VCR, 25cm F10 Mewlon, TGv-M (slow shutter 4Fr), Limovie Time signal: GPS clock, TIVi Note: Undetectable because too small dmag 0.03.