HIP 57548(mag9.4) by (829)Academia on 2018 Mar. 11

** Prediction: 
Long.: 140o 00' 00" E, Lat.: 36o 30' 22" N
PredTime:    12h 42m 20s

**** Successful observations:
Observer:    Akie Hashimoto  (JOIN:18026)
Place:       Showa, Gunma, Japan
Long.: 139o 05' 33.8" E, Lat.: 36o 37' 26.0" N, Height: 580m (JGD2000=WGS84)
Method:      Visual, 21cm Cass, x210
Time signal: GHS, Stop watch
Result:      D 12h 42m 24.23s (P.E. 0.5s corrected)
             R 12h 42m 27.23s (P.E. 0.3s corrected)
Note: The reappearance was occured stepwise.

Observer:    Hiroyuki Tomioka  (JOIN:18030,18036)
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-120N+RC(Slow shutter 8Fr)
Time signal: IOTA-VTI, GHS
Result:      D 12h 42m 16.22s
             R 12h 42m 16.76s
             (WAT-120N+RC delay 0.275s corrected)


** Negative observations:
Observer:    Hayato Watanabe  (JOIN:18019)
Place:       Inabe, Mie, Japan
Long.: 136o 33' 33.9" E, Lat.: 35o 07' 10.2" N, Height: 92m (JGD2000=WGS84)
Method:      VCR, 13cm F7.7 Refractor, WAT-120N(slow shutter 16Fr)
Time signal: GHS-OSD

Observer:    Norio Sasanuma  (JOIN:18020)
Place:       Toshima-ku, Tokyo, Japan
Long.: 139o 44' 35.8" E, Lat.: 35o 44' 14.2" N, Height: 31m (JGD2000=WGS84)
Method:      VCR, 30cm Mewlon-300CRS, eyepiece60mm ,WAT-910HX
Time signal: TEL

Observer:    Katsuhiko Kitazaki  (JOIN:18021)
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