HIP 36189 by (704) Interamnia on 2003 Mar. 23 Successful observations: Observer: Isao Ootsuki (JOIN:5139,5262) Place: Marumori Town, Miyagi, Japan Long.: 140o 40' 47" E, Lat.: 37o 53' 58" N Height: 190m (JGD2000=WGS84) Method: VCR, 31cm F5.8 Newtonian Time signal: GHS, TEL Result: D begins 09h42m30.53s +/- 0.2s D ends 09h42m31.40s +/- 0.07s R begins 09h42m32.43s +/- 0.07s R ends 09h42m32.73s +/- 0.1s Note: Timing data measured by Tsutomu Hayamizu Observer: Hoshino-mura Observatory (JOIN:5155,5172,5262,5269) Observers Hiroyuki Watanabe, Hiroaki Ohno, Toshikazu Muramatsu Place: Takine Town, Fukushima, Japan Long.: 140o 40' 33.69"E, Lat.: 37o 20' 30.68"N Height: 640m (JGD2000=WGS84) Method: Watanabe Hiroyuki/ 65cm F12 Cass, I.I., TEL, DV, VCR Ohno Hiroaki/ 15cm F12 Refractor, 100x, Visual Muramatsu Toshikazu/ 10cm F6.7 Refractor, 100x, Visual Result: D begins 09h42m05.167s +/-0.067s D ends 09h42m05.533s +/-0.033s R begins 09h42m59.467s +/-0.033s R ends 09h42m59.767s +/-0.067s Note: Timing data measured by Tsutomu Hayamizu Observer: Akira Yaeza (JOIN:5146) Place: Hitachi, Ibaraki, Japan Long.: 140o 36' 11"E, Lat.: 36o 31' 30"N Height: 220m (JGD2000=WGS84) Method: Visual, Celestron C8, TEL Result: D 09h42m00.8s P.E. corrected R 09h43m13.3s P.E. corrected Observer: Hideo Takashima, Fujio Ohba (JOIN:5148,5262) Place: Kashiwa, Chiba, Japan Long.: 139o 57' 10.9"E, Lat.: 35o 50' 48.3"N Height: 39.3m (JGD2000=WGS84) Method: 21cm F12 Newtonian, WAT-100N Time signal: GHS, TIVi Result: D begins 09h41m51.80s +/-0.07s D ends 09h41m52.04s +/-0.03s R1 begins 09h42m55.93s +/-0.03s R1 ends 09h42m56.10s +/-0.03s R2 begins 09h43m00.94s +/-0.03s R2 ends 09h43m01.11s +/-0.07s (R1 and R2 are stepwise events; the brightness of the star was about 8th mag between R1 and R2) Note: Timing data measured by the observers and confirmed by Tsutomu Hayamizu Observer: Ken-ichi Usuki (JOIN:5151) Place: Niitsuru Villa, Fukushima, Japan Long.: 139o 50' 03.2"E, Lat.: 37o 31' 39.2"N Height: 180m (JGD2000=WGS84) Method: Visual, 30cm Schmidt Cass, Vixen B05-3M Time signal: TEL Result: D 09h41m50s R Lost Observer: Hamanowa Obs (JOIN:5157,5262) Observers: Hiromi Hamanowa ,Katsumasa Hosoi,Hiroko Hamanowa Place: Koriyama, Fukushima, Japan Long.: 140o 25' 48.41"E, Lat.: 37o 27' 37.72"N Height: 260m (JGD2000=WGS84) Method: VCR, 40cm F4.5 Newtonian, WAT-100N Time signal: BPM Result: D begins 09h42m02.107s +/-0.1s D ends 09h42m02.373s +/-0.1s R begins 09h42m52.790s +/-0.07s R ends 09h42m53.057s +/-0.1s Note: Timing data measured by Tsutomu Hayamizu Observer: Miyoshi Ida (JOIN:5158) Place: Muraoka Town, Fukui, Japan Long.: 136o 16' 43.8"E, Lat.: 36o 08' 29.0"N Height: 13m (JGD2000=WGS84) Method: Visual, 20cm F10 Schmidt Cass, Tape-recorder Time signal: GHS Result: D 09h40m45.9s +/-0.5s P.E. corrected R 09h41m49.0s +/-0.3s P.E. corrected, gradual Observer: Makoto Sato (JOIN:5160,5227, 5319) Place: Haranomachi, Fukushima, Japan Long.: 140o 54' 44.00"E, Lat.: 37o 39' 54.15"N Height: 55m (JGD2000=WGS84) Method: VCR, 300mm F2.8 Camera Lens, WAT-100N Time signal: GHS, TIVi Result: D begins 09h42m19.52s +/-0.07s +0.2s? D ends 09h42m19.79s +/-0.07s +0.2s? R begins 09h42m50.42s +/-0.07s +0.2s? R ends 09h42m50.55s +/-0.07s +0.2s? Note: Reported by Mitsuhiro Fujita Observer: Nobusuke Kita (JOIN:5161,5194) Place: Kashiwa, Chiba, Japan Long.: 140o 00' 55"E, Lat.: 35o 53' 49" N Height: 10m (JGD2000=WGS84) Method: Visual, 16cm F8 Newtonianian, Short-wave (WWVH?) Result: D 09h41m52.5s P.E. uncorrected R 09h42m57.8s P.E. uncorrected Note: Reported by Fujio Ohba Observer: Katsuhiko Kitazaki (JOIN:5164) Place: Musashino, Tokyo, Japan Long.: 139o 33' 41.2"E, Lat.: 35o 42' 36.9"N Height: 66m (JGD2000=WGS84) Method: VCR, 40cm F10.1 Cass, WAT-100N Time signal: GHS, TIVi Result: D 09h41m47.5s +/-0.2s R 09h42m53.2s +/-0.4s Observer: Satoshi Suzuki (JOIN:5166) Place: Yokohama, Kanagawa, Japan Long.: 139o 32' 04.6"E, Lat.: 35o 22' 44.2"N Height: 30m (JGD2000=WGS84) Method: VCR, 10cm (150mm F1.8 TV Canon Zoom), WAT-100N Time signal: GPS, TIVi Result: D 09h41m57.71s -1Fr/+5Fr R 09h42m46.54s +/-1Fr Observer: Yukihiro Sugiyama (JOIN:5169) Place: Hiratsuka, Kanagawa, Japan Long.: 139o 18' 52"E, Lat.: 35o 22' 12" N Height: 10m (JGD2000=WGS84) Method: Visual, 25cm Newtonian, 50x Time signal: TEL Result: D 09h41m55.4s +/-0.3s R1 09h42m33.4s +/-0.3s mag8.5 R2 09h42m42.1s +/-0.3s complete Observer: Masayuki Ishida (JOIN:5170,5319) Place: Kanazu Town, Fukui, Japan Long.: 136o 17' 40.84"E, Lat.: 36o 14' 06.13"N Height: 76m (JGD2000=WGS84) Method: VCR, 30cm F10 Schmidt Cass, WAT-100N Time signal: GHS, TIVi Result: D begins 09h40m43.98s +/-0.07s D ends 09h40m44.18s +/-0.03s R1 09h41m44.2 s +/-0.3s faint R2 begins 09h41m49.66s +/-0.07s R2 ends 09h41m49.85s +/-0.07s (R1 and R2 are stepwise events; the brightness of the star was very faint between R1 and R2) Observer: Yoji Hirose (JOIN:5171,5216) Place: Chigasaki, Kanagawa, Japan Long.: 139o 25' 56"E, Lat.: 35o 22' 03"N Height: 40m (JGD2000=WGS84) Method: VCR, 25cmF6.3 Schmidt Cass, WAT-100N, TimeGeneraror Time signal: TEL Result: D begins 09h41m56.5s decline to 8mag D ends 09h41m59.6s disappear R begins 09h42m34.9s appear to 8mag R ends 09h42m43.6s complete Note: Reported by Toshio Hirose Observer: Akio Nakanishi (JOIN:5181,5262) Place: Itabashi Ward, Tokyo, Japan Long.: 139o 41' 17.94"E, Lat.: 35o 46' 48.54"N Height: 5m (JGD2000=WGS84) Method: VCR, 35cm Schmidt Cass(CelestronC8) Time signal: GPS, Time Imposer Result: D 09h41m48.352s +/-0.033s R 09h42m55.421s +/-0.033s Note: Timing data measured by the observer and confirmed by Tsutomu Hayamizu Observer: Akira Tsuchikawa (JOIN:5177) Place: Mantenboshi-obs, Yanagida Villa, Ishikawa, Japan Long.: 137o 08' 13.4"E, Lat.: 37o 20' 04.1"N Height: 200m (JGD2000=WGS84) Method: VCR, 60cm, I.I., DV Time signal: TEL Result: D begins 09h40m52.73s D ends 09h40m52.93s R begins 09h42m03.33s R ends 09h42m03.53s Observer: Masahiko Momose (JOIN:5199) Place: Shiojiri, Nagano, Japan Long.: 137o 56' 27" E, Lat.: 36o 08' 07" N Height: 680m Datum unknown (TD or WGS84) Method: Visual, 8.5cm Refractor, 25x, Stopwatch Time signal: Radio-clock Result: D 09h41m15.75s R 09h42m23.61s Observer: Hikaru Sato (JOIN:5247,5252) Place: Fukushima, Fukushima, Japan Long.: 140o 29' 25.3"E, Lat.: 37o 44' 35.9"N Height: 90m (JGD2000=WGS84) Method: Visual, 8cmF11.4, 36x, Radio clock, Cell phone Result: D 09h42m12.5s R 09h42m42.0s Observer: Sakae Kaneko (JOIN:5236) Place: Sakura, Chiba, Japan Long.: 140o 11' 27" E, Lat.: 35o 44' 02" N Height: 15m (JGD2000=WGS84) Method: Visual, 15cm Newtonian, Keytapping Result: D 09h41m58.0s R 09h43m00.2s Note: Reported by Toshio Hirose Observer: Sadaharu Uehara (JOIN:5292) Place: Tsukuba, Ibaraki, Japan Long.: 140o 07' 04.2"E, Lat.: 36o 05' 11.2"N Height: 30m (JGD2000 = WGS84) method: Visual + Video, 20cm Reflector, 40x, Radioclock Time signal: Telephone time signal Result: D begins 09h41m50.9s +/-0.2s D ends 09h41m51.4s +/-0.1s R1 09h43m00.6s +/-0.3s about 8th mag, maybe companion R2 begins 09h43m04.6s +/-0.2s primary R2 ends 09h43m05.0s +/-0.1s (R1 was observed visually, not recorded by video) Note: Reported by Mitsuru Soma Observer: Atsuo Kuboniwa (2003.12.29 mail) **** (addition 2003.12.29) Place: Ushiku, Ibaraki, Japan Long.: 140o 09' 05" E, Lat.: 35o 59' 11" N, Height: 23m (JGD2000=WGS84) Method: Visual, 6cm Refractor, Stop watach. Time signal: TEL Result(UTC): D 09h41m54s +/-0.5s R 09h43m06s +/-0.5s P.E. Unknown Observer: Takao Tanaka (2003.12.26 mail) **** (addition 2003.12.26) Place: Zushi, Kanagawa, Japan Long.: 139o 35' 02" E, Lat.: 35o 17' 42" N, Height: 9m (Tokyo Datum) Long.: 139o 34' 50.5"E, Lat.: 35o 17' 53.8"N, Height: 9m (JGD2000=WGS84) Method: Visual, 11x80 Binoculas. Time signal: TEL Result(UTC): D missed time keep R missed time keep Duration about 37-43sec Note: Occultation occured, but missed time keeping Observer: Takuro Imatani, Takeshi Tachibana (2003.12.29&31 mail) **** (addition 2003.12.29) Place: Kitaura town, Ibaraki, Japan Long.: 140o 27' 30" E, Lat.: 36o 05' 19" N, Height: 35m (Tokyo Datum) Long.: 140o 27' 18.1"E, Lat.: 36o 05' 30.5"N, Height:35m (JGD2000=WGS84) Method: Visual, 10cm x36 Binoculas Time signal: WWVH Result(UTC): D missed time keep R missed time keep Note: Occultation occured, but missed time keeping due to machine trouble. Observer: Hiroyuki Tomioka (JOIN:6245) **** (addition 2004.1.8) Place: Hitachi, Ibaraki, Japan Long.: 140o 41' 21.2" E, Lat.: 36o 38' 21.5" N, Height: 33m (Tokyo Datum) Long.: 140o 41' 09.1" E, Lat.: 36o 38' 32.8" N, Height: 33m (JGD2000=WGS84) Method: Visual, 30cm Reflector, TV Time signal: GPS Result(UTC): D begin 09h42m00.4s D end 0.5sec-1.0sec from D begin R begin 09h43m09.7s R end about 5sec from R begin Observer: Hirohisa Sato (JOIN:6208)**** (addition 2004.1.6) Place: Sukagawa, Fukushima, Japan Long.: 140o 23' 11.2" E, Lat.: 37o 17' 44.8" N, Height: 239m (JGD2000=WGS84) Method: Visual, 6.5cm f15.4 Refractor x 40, Stop-watch Time signal: TEL Result(UTC): D 09h 42m 00.6s (+/-0.2s) R 09h 42m 57.2s (+/-0.2s) UT @ P.E. Unknown Negative observations: Observers: Atsushi Miyamoto, Naoto Tatsumi, Tomoko Sakaniwa, Nobuhiro Magome (JOIN:5189) Place: Adachi, Kawasaki Town, Miyagi, Japan Long.: 140o 39' 28" E, Lat.: 38o 13' 10" N, Height: 305m (JGD2000=WGS84) Method: Visual,20.3cm F10 Schmidt Cass, 92x Visual, 6cm F15 Refractor, 41x Visual,20.0cm F6 Newtonian, 67x Visual, 7.6cm F8 Refractor, 60x Time signal: GHS Observers: Ryo Ikeshita, Tomohiro Ino, Yaeko Fujita, Asuka Nakamura (JOIN:5189) Place: Kawauchi, Aoba Ward, Sendai, Miyagi, Japan Long.: 140o 51' 13" E, Lat.: 38o 15' 39" N, Height: 50m (JGD2000=WGS84) Method: Visual, 8cm F11 Refractor, 46x Visual,20.3cm F10 Schmidt Cass, 80x Visual, 8cm F8 Refractor, 36x Visual,10.2cm F8 Refractor, 37x Time signal: BPM Observer: Yasuhiro Tonomura (JOIN:5141,5185,5231) Place: Tomiya Town, Miyagi, Japan Long.: 140o 52' 16.2"E, Lat.: 38o 22' 58.1" N Height: 80m (JGD2000=WGS84) Method: Visual, 7.6cm Refractor, 24x Time signal: GHS Observer: Takaaki Oribe, Atsushi Miyamoto (JOIN:5155) Place: Saji-Astropark, Saji Villa, Tottori, Japan Long.: 134o 07' 10.37"E, Lat.: 35o 20' 31.48"N Height: 397m (JGD2000=WGS84) Method: VCR, 103cm F4.2 Cass Observer: Mikio Yokokawa (JOIN:5152,5201,5260) Place: Motoyoshi Town, Miyagi, Japan Long.: 141o 33' 28.6"E, Lat.: 38o 48' 56.3"N Height: 35m (JGD2000=WGS84) Method: Visual, 28cm F10 SchmidtCass Observer: Yoshiharu Itou (JOIN:5153) Place: Aoba Ward, Sendai, Miyagi, Japan Long.: 140o 52' 34"E,Lat.: 38o 16' 36" N Height: 55m (JGD2000=WGS84) Method: Photoelectric Observer: Masaki Kouda (JOIN:5154) Place: Kamikita Town, Aomori Pref. Long.: 141o 16' 05"E, Lat.: 40o 43' 56"N Height: 5m (JGD2000=WGS84) Method: Visual Observer: Mitsuhiro Fujita (JOIN:5197,5227) Place: Shiroishi, Miyagi, Japan Long.: 140o 38' 15"E, Lat.: 38o 02' 16"N Height: 40m (JGD2000=WGS84) Method: Visual, 13cm F5.5, 36x, BPM Observer: Hideo Sugai (JOIN:5168,5190,5193) Place: Zao-hango, Yamagata, Yamagata, Japan Long.: 140o 19' 16.0"E, Lat.: 38o 11' 16.1"N Height: 185m (JGD2000=WGS84) Method: Visual, 10cm F6.4 Refractor, 20x, TEL, Tape Recorder Note: Reported by Oba Yoshio Observer: Hajime Nihei (JOIN:5204) Place: Nanyo, Yamagata, japan Long.: 140o 08' 20" E, Lat.: 38o 04' 52" N Height: 295m (JGD2000=WGS84) Method: VCR, 31cm F5.8 Newtonian, WAT-100N, TEL Note: Reported by Hirose Toshio Doubt(JOIN:5178,5226) Observer: Hitoshi Sugawara Place: Ichinoseki, Iwate, Japan Long.: 141o 07' 25.0"E, Lat.: 38o 55' 57.3"N Height: 33m (JGD2000=WGS84) Method: Visual, 7*50 Bino, GHS Result: 1D 09h42m25.1s 1R 09h42m27.1s 2D 09h42m33.5s 2R 09h42m35.3s Judging from the other observers' results these should not be due to the asteroid itself. Observer: Toshirou Satou (JOIN:5178,5226) Place: Ichinoseki, Iwate, Japan Long.: 141o 07' 25.0"E, Lat.: 38o 55' 57.3"N Height: 33m (JGD2000=WGS84) Method: Visual, C8 Schmidt Cass, 80x, GHS Obs. began at 09h42m47s, so Satou was not making the observation during the 2 phenomena observed by Sugawara. Observer: Kazuo Sasaki (JOIN:5178,5226) Place: Furukawa, Miyagi, Japan Long.: 140o 57' 28" E, Lat.: 38o 33' 28"N Height: 30m (JGD2000=WGS84) Method: Visual, 40cm F15 Cass, 100x Note: Reported by Toshirou Satou Observer: Eitoshi Konno (JOIN:5178,5226) Place: Hanaizumi Town, Iwate, Japan Long.: 141o 10' 49.4"E, Lat.: 38o 50' 14.2"N Height: 24m (JGD2000=WGS84) Method: 40x10 Bino, Visual Note: Reported by Toshirou Satou Observer: Masahiro Koishikawa (JOIN:5199) Place: Sendai, Miyagi, Japan Long.: 140o 45' 54"E, Lat.: 38o 16' 19"N Height: 100m (JGD2000=WGS84) Method: 26cm VCR Observer: Hidetoshi Yoshida (JOIN:5202) Place: Abashiri, Hokkaido, Japan Long.: 144o 15' 28.1"E, Lat.: 44o 01' 21.9"N Height: 9m (JGD2000=WGS84) Method: Visual, 8x11 Bino, TEL Observer: Tsutomu Sato (JOIN:5223,5230) Place: Marumori Town, Miyagi, Japan Long.: 140o 45' 45"E, Lat.: 37o 54' 53" N Height: 18m (JGD2000=WGS84) Method: VCR, 35cm F5.9 Newtonian, Watec NP1000 Time signal: TEL Note: Reported by Isao Ootsuki Observer: Michiko Okamoto (JOIN:5227) Place: Rifu Town, Miyagi, Japan Long.: 140o 58' 14.6"E, Lat.: 38o 20' 57.7"N Height: 110m (JGD2000=WGS84) Method: Visual, 20cm F6.1 Newtonian, 49x, TEL, Tape Recorder Note: Reported by Mitsuhiro Fujita Observer: Chiyoaki Sakaki (JOIN:5227) Place: Izumi Ward, Sendai, Miyagi, Japan Long.: 140o 46' 59" E, Lat.: 38o 19' 42" N Height: 120m (JGD2000=WGS84) Method: Visual, 10cm F7.2 Newtonian, 36x, TEL, Tape Recorder Note: Reported by Mitsuhiro Fujita Observer: Hideo Nagai (JOIN:5227) Place: Izumi Ward, Sendai, Miyagi, Japan Long.: 140o 51' 26" E, Lat.: 38o 17' 45" N Height: 70m (JGD2000=WGS84) Method: Visual, 8cm F8 Refractor, 29x, EL, Tape Recorder Note: Reported by Mitsuhiro Fujita Observer: Akira Watanabe (JOIN:5227) Place: Taihaku Ward, Sendai, Miyagi, Japan Long.: 140o 48' 58" E, Lat.: 38o 13' 59" N Height: 105m (JGD2000=WGS84) Method: VCR, 30cm F6 Newtonian, Vixen B05-3M, GHS Note: Reported by Mitsuhiro Fujita Observer: Seiichi Yoneyama **** (addition 2004.1.4) Place: Ogaki, Gifu, Japan Long.: 136o 37' " E, Lat.: 35o 22' " N, Height: m (approx) Method: Visual, 28cm Schmidt Cass, x70. Note: Coordinate is measured from GSI Web-service..