TYC 5841-00666-1(mag10.1) by (22)Kalliope on 2020 Jul. 23 ** Prediction: Long.: 114o 00' 00" E, Lat.: 21o 25' 37" N PredTime: 18h 19m 34.6s **** Successful observations: Observer: Taksun Poon, Kenneith Hui Place: Tsuen Wan, Hong Kong, China Long.: 114o 06' 29.39" E, Lat.: 22o 23' 00.91" N, Height: 150m (JGD2000=WGS84) Method: Movie, 50cm F8 SCT including Cass and Mak, CMOS imager ASI1600M Pro(exp0.05s) Time signal: Computer NTP Result: D 18h 19m 11.663s R 18h 19m 39.513s Note: A magnitude 9.94 star (GSC5841:1000) is close to the target star (TYC 5841-00666-1). Both are recorded. This 2nd star helped to eliminate by clouds. With an exposure of 100 ms, both asteroid and stars were visible. When exposure reduced to 50 ms, asteroid is invisible on screen. Recording is done using a CMOS camera. Frame rate is dictated by exposure of 50.0 ms Frame rate is thus 20 fps. Each frame is time-stamped. Note: Reported by Mitsuru Soma.