HIP 65791 (mag 7.3) by (498)Tokio on 2004 Feb. 17 Successful observations: Observer: Tohru Takabatake (JOIN:6424,6501) Place: Okayama, Okayama, Japan Long.: 134o 04' 10.5"+/-0.1 E, Lat.: 34o 37' 29.9"+/-0.1 N, Height: 3m+/-2 (Tokyo Datum) Long.: 134o 04' 00.9"+/-0.1 E, Lat.: 34o 37' 41.6"+/-0.1 N, Height: 3m+/-2 (JGD2000=WGS84) Method: VCR,20cm F9 Vixen Visac, 0.6x Reducer, TGV-M, DV Time signal: TEL Result: D begin 16h35m24.286s +/-0.07s D end 16h35m24.486s +/-0.07s R begin 16h35m31.286s +/-0.07s R end 16h35m31.469s +/-0.07s Note: Measured by Tsutomu Hayamizu Observer: Hideki Yoshihara (JOIN:6425,6437) Place: Soja, Okayama, Japan Long.: 133o 38' 34.5" E, Lat.: 34o 39' 46.6" N, Height: 55m (JGD2000=WGS84) Method: VCR, 20cm F8 Reflector, WAT-100N. Time signal: TEL, TIVi Result: D begin 16h35m25.62s D end 16h35m25.76s R begin 16h35m36.23s R end 16h35m36.33s Observer: Hiromu Maeno (JOIN:6426,6433) Place: Mitoko-so obs, shishikui, Tokushima, Japan Long.: 134o 18' 58" E, Lat.: 33o 33' 17" N, Height: 70m (JGD2000=WGS84) Method: 15cm F7 Refractor + Reducer(F5), Long shutter VCR (1Fr=0.3s) Time signal: Short wave, Wave clock Result: D begin 16h35m08.5s +/-0.2s D end 16h35m08.8s +/-0.2s R begin 16h35m18.8s +/-0.2s R end 16h35m19.5s +/-0.2s Observer: Hidehiko Akazawa (JOIN:6427,6430) Place: Funaho, Okayama, Japan Long.: 133o 42' 33.6" E, Lat.: 34o 34' 54.8" N, Height: 8m (JGD2000=WGS84) Method: Photoelectric (0.1sec integration), 28cm F10 Schmidt Cass, VCR, 20cm F2.5 Reflector Time signal: GPS Result: D 16h35m24.5s +/-0.1sec R 16h35m35.0s +/-0.1sec Observer: Masayuki Ishida (JOIN:6428) Place: Osafune, Okayama, Japan Long.: 134o 07' 50.59" E, Lat.: 34o 41' 44.89" N, Height: 5m (Tokyo Datum) 134o 07' 40.93" E, Lat.: 34o 41' 56.53" N, Height: 5m (JGD2000=WGS84) Method: VCR, 16cm F6.3 Newtonian, WAT100 Time signal: GHS + TIVi Result: D 16h35m26.90s R 16h35m29.81s Observer: Osamu Ohshima (JOIN:6432,6439,6501) Place: Kurashiki, Okayama, Japan Long.: 133o 40' 15" E, Lat.: 34o 32' 27" N, Height: 9m (JGD2000=WGS84) Method: VCR, 20cm F10 Schmidt Cass, Vixen B05-3M, Time signal: TEL + TIVi Result: D begin 16h35m23.54s +/-0.04s D end 16h35m23.70s +/-0.04s R begin 16h35m34.98s +/-0.04s R end 16h35m35.12s +/-0.04s Observer: Masafumi Matsumura, Tomoaki Yoshihara (JOIN:6432,6451) Place: Takamatsu, Kagawa, Japan Long.: 134o 02' 11.2" E, Lat.: 34o 20' 33.5" N, Height: 35m (JGD2000=WGS84) Method: Visual, 35cm Reflector, 8cm Refractor, Sound recorded by VCR Time signal: TEL(Handy phone) Result: D 16h35m20.03s +/-0.2s R 16h35m29.98s +/-0.2s (Handy phone's delay 0.3sec ,P.E. 0.2sec are corrected) Observer: Miyoshi Ida (JOIN:6431) Place: Seto, Okayama, Japan Long.: 134o 03' 59.6" E, Lat.: 34o 45' 20.2" N, Height: 21m (Tokyo Datum) 134o 03' 50.0" E, Lat.: 34o 45' 31.8" N, Height: 21m (JGD2000=WGS84) Method: Visual, 12cm F10 Schmidt Cass, Tape recorder Time signal: GHS Result: D 16h35m27.7s +/-0.3s (P.E. 0.6s corrected) R 16h35m32.2s +/-0.4s (P.E. 0.7s corrected) Observer: Yasuhiko Hosokawa, Hitosi Yamao (JOIN:6453,6501) Place: Zentsuji, Kagawa, Japan (Hosokawa)Long.: 133o 48' 15" E, Lat.: 34o 13' 42" N, Height: 58m (JGD2000=WGS84) (Yamao) Long.: 133o 48' 16" E, Lat.: 34o 13' 39" N, Height: 58m (JGD2000=WGS84) Method: (Hosokawa)Web camera(Shutter speed 1/25sec), 12.8cm F8 Refractor (Yamao) VCR, 50mm Camera lens, WAT-100N, 25cmF12 Reflector, 40mm eyepiece Time signal: Result: Both results are duration only. (Hosokawa) decline 0.2s / complete disappear 11.2s / up lighting 0.2sec (Yamao) decline 0.17s / complete disappear 11.23s / up lighting 0.13sec Note: Yamao's VCR analyzed by Tsutomu Hayamizu Observer: Hisao Hori (JOIN:6440) Place: Nakagawa-cho science center, Nakagawa, Tokushima, Japan Long.: 134o 41' 05" E, Lat.: 33o 56' 44" N, Height: 15.2m (Tokyo Datum) 134o 40' 55" E, Lat.: 33o 56' 56" N, Height: 15.2m (JGD2000=WGS84) Method: VCR, 113cm F9.7 Cass, F6.7 Reducer Time signal: VCR clock set manually by TEL Result: D begin 16h35m12.0s D end 16h35m12.2s R begin 16h35m19.3s R end 16h35m19.5s Observer: Kouji Fukuda (JOIN:6440,6451) Place: Yuki, Tokushima, Japan Long.: 134o 36' 54.5" E, Lat.: 33o 47' 01.4" N, Height:140m (JGD2000=WGS84) Method: Digital camera, 10.5cm F7 Refractor Time signal: Wave clock Result: D 16h35m08.6s R 16h35m18.7s Observer: Kunio Kenmotsu (JOIN:6440) Place: Kurashiki, Okayama, Japan Long.: 133o 46' 15.24" E, Lat.: 34o 35' 23.48" N, Height: 5.69m (Tokyo Datum) Long.: 133o 46' 05.71" E, Lat.: 34o 35' 35.12" N, Height: 5.69m (JGD2000=WGS84) Method: 31.5cm F15 Cass, VCR,WAT-100N Time signal: GHS + TIVi Result: D begin 16h35m24.23s D end 16h35m24.43s R begin 16h35m34.51s R end 16h35m34.68s Observer: Nobuo Ohkura (JOIN:6440) Place: Okayama, Okayama, Japan Long.: 133o 52' 26" E, Lat.: 34o 36' 36" N, Height: 3m (JGD2000=WGS84) Method: Photoelectric (0.01sec integration), 35.5cm F11 Schmidt Cass Time signal: GPS Result: D begin 16h35m24.03s D end 16h35m24.23s R begin 16h35m33.81s R end 16h35m34.02s Observer: Youitirou Nakasima (JOIN:6462) Place: Oku, Okayama, Japan Long.: 134o 06' 17.3" E, Lat.: 34o 39' 56.3" N, Height: 8m (Tokyo Datum) Long.: 134o 06' 07.7" E, Lat.: 34o 40' 07.9" N, Height: 8m (JGD2000=WGS84) Method: VCR, 25cm F4.2 Schmidt, Time signal: VCR clock set manually by TEL (error 0.1-0.2sec) Result: D begin 16h35m25.9s D end 16h35m26.1s R begin 16h35m31.2s R end 16h35m31.4s Observer: Kazuo Nakamura (JOIN:6449,6451,6461,6470) Place: Kagawa, kagwa, Japan Long.: 134o 01' 29" E, Lat.: 34o 16' 13" N, Height: 50m (Tokyo Datum) Long.: 134o 01' 19" E, Lat.: 34o 16' 24" N, Height: 50m (JGD2000=WGS84) Method: Visual, 20cm F5 Telescope, x40 ,Stop watch Time signal: TEL Result: D 16h35m19.8s +/-0.3s R 16h35m29.6s +/-0.3s P.E. corrected Observer: Seiji Okamoto (JOIN:6453) Place: Kume, Okayama, Japan Long.: 133o 50' 29" E, Lat.: 35o 02' 25" N, Height: 480m (JGD2000=WGS84) Method: VCR, 35.6cm F11 Schmidt Cass, Reducer(F7), Vixen B05-3M Time signal: GPS, TIVi Result: D begin 16h35m33.5s D end 16h35m33.8s R begin 16h35m35.0s R end 16h35m35.3s Observer: Kei Yokoyama (JOIN:6453) Place: Kurashiki, Okayama, Japan Long.: 133o 42' 26.1" E, Lat.: 34o 32' 23.4" N, Height: 0m (Tokyo Datum) Long.: 133o 42' 16.6" E, Lat.: 34o 32' 35.1" N, Height: 0m (JGD2000=WGS84) Method: Visual, 77mm x 20 Binoculars, x40 ,Stop watch Time signal: TEL Result: D 16h35m24.4s R 16h35m35.6s Observer: Yoji Takahashi (JOIN:6462) Place: Bisei, Okayama, Japan Long.: 133o 32' 44" E, Lat.: 34o 39' 57" N, Height: 0m (Tokyo Datum) Long.: 133o 32' 35" E, Lat.: 34o 40' 09" N, Height: 0m (JGD2000=WGS84) Method: Visual, 8cm F15 Refractor, x96 ,Stop watch Time signal: Unknown Result: Duration: 10.55sec Observer: Sigeru Ohshima (JOIN:6475,6481,6502) Place: Ryonan, Kagawa, Japan Long.: 133o 54' 54" E, Lat.: 34o 14' 47" N, Height: 60m (JGD2000=WGS84) Method: VCR, 200mmF2.8 Camera lens, TGM-V(Slow shutter 1/30sec), DV Visual, 7.6cm F6.5 Refractor, x20 Photograph(Canon EosD60,200mmF2.8, ISO400) Time signal: VCR clock set manually by TEL Result: D 16h35m19.633s R 16h35m30.333s Note: measured by Tsutomu Hayamizu Observer: Shunji Shigezane (JOIN:6475) Place: Okayama, Okayama, Japan Long.: 133o 52' 26" E, Lat.: 34o 42' 11" N, Height: 55m (JGD2000=WGS84) Method: Visual, 25x150 Binoculars, Stop watch Time signal: TEL Result: D 16h35m26s R 16h35m36.5s Observer: Kazuya Ayani (JOIN:6480,6549) Place: Bisei Obs, Bisei, Okayama, Japan Long.: 133o 32' 43" E, Lat.: 34o 40' 20" N, Height: 420m (JGD2000=WGS84) Method: VCR, 101cmF12 Cass, x0.5 Reducer, DV Time signal: TEL Result: D 16h35m26.0s +/-0.3sec R 16h35m37.4s +/-0.3sec Observer: Kazuhide Ichihara, Shouji Miyake (JOIN:6501) Place: Sanuki, Kagawa, Japan Long.: 134o 14' 49" E, Lat.: 34o 17' 10" N, Height: 5m (JGD2000=WGS84) Method: Photograph, 200mmF4 PENTAX LX, ISO400 negaive film Time signal: Wave clock Result: D 16h35m17.8s +/-2s R 16h35m27.6s +/-2s Note: Measured by Tsutomu Hayamizu Observer: Hirokazu Ohkawa (JOIN:6609,6651) Place: Takahashi, Okayama, Japan Long.: 133o 37' 09.8" E, Lat.: 34o 46' 45.2" N, Height: 60m (Tokyo Datum) Long.: 133o 37' 00.3" E, Lat.: 34o 46' 56.8" N, Height: 60m (JGD2000=WGS84) Method: VCR, 30cmF5.3 Newtonian, Eyepiece 28mm, DV, Slow shutter 1/15sec Time signal: Handy phone Result: D begin 16h35m27.500s +/-0.15sec D end 16h35m27.667s +/-0.15sec R begin 16h35m37.733s +/-0.15sec R end 16h35m37.867s +/-0.15sec Handy phone delay 0.2sec corrected Note: Measured by Tsutomu Hayamizu Observer: Hiroyuki Toda (JOIN:6925) Place: Okayama, Okayama, Japan Long.: 133o 54' 42" E, Lat.: 34o 38' 22" N, Height: 2m (Tokyo Datum) Long.: 133o 54' 32.4" E, Lat.: 34o 38' 33.6" N, Height: 2m (JGD2000=WGS84) Method: VCR, 7cmF8 Refractor, WAT-100N Time signal: GPS-display, possible include delay at LCD response. Result: D begin 16h35m24.00s D end 16h35m24.13s R begin 16h35m33.33s R end 16h35m33.47s Note: Reported by Toshio Hirose --------------------- Negative observations: Observer: Masayuki Uchiyama (JOIN:6422) Place: Owase, Mie, Japan Long.: 136o 11' 39" E, Lat.: 34o 04' 37" N, Height: 15m (JGD2000=WGS84) Method: VCR,25cm F6.4 Schmidt Cass,0.6x Reducer, WAT-100N,DV Time signal: TEL, TIVi Observer: Takaaki Ozeki, Takeshi Yasuda (JOIN:6432) Place: Hoshinoko-yakata obs, Himeji, Hyogo, Japan Long.: 134o 37' 54.5" E, Lat.: 34o 50' 59.4" N, Height: 70m (Tokyo Datum) Long.: 134o 37' 44.7" E, Lat.: 34o 51' 11.0" N, Height: 70m (JGD2000=WGS84) Method: VCR, 90cm Reflector ,WAT-100N Time signal: TEL, TIVi Observer: Space.Lab, Kochi University of Technology (JOIN:6423) Place: Tosayamada, Kochi, Japan Long.: 133o 43' 09" E, Lat.: 33o 37' 12" N, Height: 60m (JGD2000=WGS84) Method: Visual, 8cm F9 Refractor, x48, Tape recorder Time signal: TEL Observer: Masayuki Yamamoto (JOIN:6423) Place: Kahoku, Kochi, Japan Long.: 133o 46' 56" E, Lat.: 33o 38' 53" N, Height: 117m (JGD2000=WGS84) Method: Visual, 16cm F6.3 Reflector, x40, Tape recorder Time signal: TEL Observer: Shinsho Washi (JOIN:6432,6439) Place: Yao, Osaka, Japan Long.: 135o 35' 41" E, Lat.: 34o 35' 25" N, Height: 17m (JGD2000=WGS84) Method: VCR, 7.5cm F8 Refractor Time signal: TEL Observer: Ohnishi Takashi (JOIN:6432) Place: Kashiwara, Osaka, Japan Long.: 135o 39' 06.646" E, Lat.: 34o 32' 52.716" N, Height: 155.85m (Tokyo Datum) Long.: 135o 38' 56.495" E, Lat.: 34o 33' 04.493" N, Height: 155.85m (JGD2000=WGS84) Method: VCR, 51cm F11.8 Reflector, 28mm Eyepiece Time signal: TEL(Handy phone) Observer: Yoshihide Ohkita, Naoko Kaifu, Ikuya Yamanishi (JOIN:6364,6534) Place: Sennan, Osaka, Japan Long.: 135o 15' 47.6" E, Lat.: 34o 22' 32.7" N, Height: 2m (Tokyo Datum) 135o 15' 37.6" E, Lat.: 34o 22' 44.5" N, Height: 2m (JGD2000=WGS84) Method: VCR, 20cmF10 Schmidt Cass,WAT-100N Time signal: GHS, TIVi Observer: Hisashi Kasebe (JOIN:6453) Place: Sanda, Hyogo, Japan Long.: 135o 13' 47" E, Lat.: 34o 54' 00" N, Height: 210m (Tokyo Datum) Long.: 135o 13' 37" E, Lat.: 34o 54' 12" N, Height: 210m (JGD2000=WGS84) Method: Camera lens fl 135m F2.8, WAT-100N, VCR Time signal: Wave clock Observer: Junichi Yokomichi (JOIN:6453) Place: Tsuyama, Okayama, Japan Long.: 134o 00' 04" E, Lat.: 35o 03' 32" N, Height: 100m (JGD2000=WGS84) Method: VCR, BRC-250(25cm F5.1), WAT-100N Time signal: TEL, TIVi Observer: Noritaka Tokimasa, Makoto Sakamoto, Shin-ya Narusawa, Hiroyuki Geshiro (JOIN:6462) Place: Nishi-Harima Astron. Obs. Sayo-cho, Hyogo, Japan Long.: 134o 20' 19" E, Lat.: 35o 01' 21" N, Height: 446m (JGD2000=WGS84) Method: VCR,60cm Cass, TGV-M Time signal: GPS, Time imposer Observer: Toshihiko Tanaka (JOIN:6468) Place: Awaji-island, Hyogo, Japan Long.: 134o 41' 04" E, Lat.: 34o 15' 06" N, Height: 130m (Tokyo Datum) Long.: 134o 40' 54" E, Lat.: 34o 15' 18" N, Height: 130m (JGD2000=WGS84) Method: VCR, 300mmF2.8 Camera lens, WAT-120N(Slow shutter 1/15sec) Time signal: GPS + TIVi Observer: Koyo Kawanishi (JOIN:6476) Place: Ako, Hyogo, Japan Long.: 134o 23' 40" E, Lat.: 34o 44' 50" N, Height: 5m (JGD2000=WGS84) Method: VCR, 33cm Reflector, TGV-M(Slow shutter 1/15sec) Time signal: TEL, TIVi Observer: Brian Loader (JOIN:6475) Place: New Zealand Long.: 172o 06' 24.4" E, Lat.: 43o 28' 52.9" S, Height: 210m (WGS84) Method: VCR, 25.4cmF10 Schmidt Cass Time signal: GPS Observer: Alan James Thomas (JOIN:6475) Place: New Zealand Long.: 169o 23' " E, Lat.: 45o 15' " S, Height: 210m (WGS84) Method: Visual, 10x50 Binoculars Time signal: WWVH Observer: Kazushi Nakamura (JOIN:6447) Place: Kobe, Hyogo, Japan Long.: o ' " E, Lat.: o ' " N, Height: m (JGD2000=WGS84) Method: VCR, 10cm Refractor, WAT-100N, Video capture, Visual, 8cm Refractor Time signal: NTP Note: Reported by Toshio Hirose. The details unknown.