TYC 2909-01090-1(mag11.6) by (141)Lumen on 2017 Dec. 28

** Prediction: 
Long.: 138o 00' 00" E, Lat.: 35o 22' 37" N
PredTime:    19h 33m 22s

**** Successful observations:
Observer:    Akie Hashimoto  (JOIN:17834)
Place:       Fujikawaguchiko, Yamanashi, Japan
Long.: 138o 36' 05.3" E, Lat.: 35o 25' 57.2" N, Height: 996m (JGD2000=WGS84)
Method:      Visual, 21cm Cass, x210
Time signal: GHS, Stop watch
Result:      D 19h 33m 16.57s (P.E. 0.8s corrected)
             R 19h 33m 32.62s (P.E. 1.5s corrected)

Observer:    Masayuki Ishida   (JOIN:17842)
Place:       Shimada, Shizuoka, Japan
Long.: 138o 09' 15.7" E, Lat.: 34o 49' 46.5" N, Height: 66m (JGD2000=WGS84)
Method:      VCR, 30cm F10 Schmidt Cass,F6.3Reducer, WAT-120N+(Slow shutter 8Fr), Limovie
Time signal: GHS-OSD
Result:      D 19h 33m 18.538s +/-0.034s
             R 19h 33m 26.779s +/-0.050s

** Negative observations:
Observer:    Hiroyuki Tomioka  (JOIN:17837)
Place:       Hitachi, Ibaraki, Japan
Long.: 140o 41' 08.9" E, Lat.: 36o 38' 33.2" N, Height: 33m (JGD2000=WGS84)
Method:      VCR, 45cm Reflector, WAT-120RC (slow shutter 16Fr)
Time signal: IOTA-VTI, GHS

Observer:    Katsuhiko Kitazaki  (JOIN:17838)
Place:       Musashino, Tokyo, Japan
Long.: 139o 33' 41.3" E, Lat.: 35o 42' 36.9" N, Height: 66m (JGD2000=WGS84)
Method:      VCR, 40cm F10.1 Cass, x0.28Reducer, WAT-100N 
Time signal: GHS-OSD

Observer:    Hayato Watanabe  (JOIN:17840)
Place:       Toyota, Aichi, Japan
Long.: 137o 12' 00.2" E, Lat.: 35o 07' 03.7" N, Height: 86m (JGD2000=WGS84)
Method:      VCR, 7.5cm F6.7 Refractor, WAT-120N(slow shutter 16Fr), Limovie
Time signal: GHS-OSD