TYC 1332-00448-1(mag10.4) by (125)Liberatrix on 2015 Jan. 23 ** Prediction: Long.: 120o 00' 00.0" E, Lat.: 23o 23' 28.0" N PredTime: 15h 10m 52s **** Successful observations: Observer: Chilong Lin Place: Taichung, Taiwan Long.: 120o 39' 00" E, 24o 06' 48" N, Height: 68m (WGS84, MSL) Method: VCR, 9.25inch f=1480mm CELESTRON C9.25 (F6.3 reducer), WATEC 120N Time signal: WINDOWS, automatically calibrated through web Result: D 15h 11m 01.23s +/-0.067s R 15h 11m 06.70s +/-0.067s Note: Observation was made from ~15h 10m 00s to 15h 12m 00s. Asteroid: Not visible. Approx. Limiting Mag.: ~12mag. Duration: 5.47s +/-0.067s(4/30fps) Sky Transparency: Good, Star Image Stability: Good. I used a Watec 120N video CCD @4X mode (4/30 fps), an AV to USB converter and a notebook with the software "UFOCapture" as a recorder. The light curve was measured with LiMovie. Note: Reported by Mitsuru Soma. Observer: Chiahui Wang Place: Taichung, Taiwan Long.: 120o 41' 09" E, 24o 09' 02" N, Height: 125m (WGS84, MSL) Method: VCR, 16inch f=2736mm (w/2X barlow), ASA 16N (F6.84) Time signal: WINDOWS, automatically calibrated through web Result: D 15h 11m 02.649s +/-0.032s R 15h 11m 08.416s +/-0.032s Note: Observation was made from ~15h 09m 03s to 15h 14m 17s. Asteroid: Not visible. Approx. Limiting Mag.: ~12mag. Duration: 5.767s +/-0.032s Sky Transparency: Good, Star Image Stability: Good. Recording method: a ZWO ASI 130mm @ 640x512 Bin2, USB to PC Observing site: The Tcfsh Obs.(TTO), Taichung, Taiwan, National Taichung First Senior High School (Tcfsh) Video: https://www.flickr.com/photos/206265/16370715285/ Note: Reported by Mitsuru Soma. Observer: Bing-Lien Wu Place: Taichung, Taiwan Long.: 120o 33' 25.6" E, 24o 05' 35.9" N, Height: 40m (WGS84, MSL) Method: Drift scan by CCD, 10inch f=2000mm Time signal: WINDOWS, automatically calibrated through web Result: D 15h 11m 02.8s R 15h 11m 07.0s Note: Recording method: Letting the star drift by turning off the power of the equatorial mount. The length of the drifting line has 114 pixels in 120 seconds and 4 pixels dimmed obviously. Duration: >4.21s +-0.53s (The error was estimated to be half of 120s/114pixels. But there are some special effects should be took into consideration.) The timing was took through a drifting method used also by the TAOS team. However, many nearby pixels at the beginning and the ending may got over exposured so as to influent the judgment of the disappearing and reappearing time.