1999年10月17日の木星

池村俊彦、新川勝仁、堀川邦昭
T.Ikemura, M.Niikawa, K.Horikawa

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October 17, 1999(UT) Summary

Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)

1999/10/17 14h07m30s(UT) I=152.5 II=348.1 III=209.5 4 frames composite 1999/10/17 15h28m09s(UT) I=201.7 II= 36.8 III=258.3 7 frames composite Telescope : C11 (SC) D=280mm fl=2800mm Camera :Minolta DimageEx1500 Digital Camera taking lens removed Effective F No.: 25 (XP24mm Eyepiece Projection) Filter: IR cut & Low-pass built-in the camera Obs.site : Mozuhonmachi Sakai-City Osaka Japan Exposure : 1/8 sec Analog gain:6dB Seeing:2/10 Transp.:3/6 Image Processing The Maximum Entropy Method deconvolution after composite of the original taking images. And enhanced with the unsharp masking method.

Kuniaki Horikawa (160mm Newtonian, Drawing)

No. 76 1999/10/17 16h13m(UT) I=228.9 II= 63.9 Seeing:4-5/10 Transp:3-5/5 160mm Newton x200 観測コメント 宴会帰りで疲れているが観測強行 RS前端部のSEBs edgeがprojection状に尖って見える FA明瞭だがBEはややコントラストが低い CMT観測 (時刻はUT) 253. 1999/10/17 16:08 STRZ D RS P 2 60.8 254. 1999/10/17 16:10 EZN D FEST C 1 227.1 255. 1999/10/17 16:22 STRZ D RS C 2 69.3 256. 1999/10/17 16:30 SSTB D SECT P 2 74.1 257. 1999/10/17 16:36 STRZ D RS F 2 77.8 258. 1999/10/17 16:38 EZN D FEST C 1 244.2 259. 1999/10/17 16:45 STB W BE C 2 83.2 260. 1999/10/17 17:03 EZN D FEST C 1 259.4 261. 1999/10/17 17:08 STB W FA C 2 97.0

Toshihiko Ikemura (310mm Newton, Digital still camera NEC Picona)
No.118 1999/10/17 16:33:12(UT) I=241.3 II= 76.1 III=297.6 De= +3.5 E.Dia=49.63"	Enhanced by Y.Iga 310mm Newton(F5) TeleVue barlow 5x f/30 NEC PICONA 1/7sec 3 frames composite
No.119 1999/10/17 16:34:38(UT) I=242.2 II= 77.0 III=298.5 De= +3.5 E.Dia=49.63"	Enhanced by Y.Iga 310mm Newton(F5) TeleVue barlow 5x f/30 NEC PICONA 1/7sec 3 frames composite
Comment: Seeing was the worst,1/5. It seems to reduce the white dapple which is between BE and FA. Comment(Japanese): シーイング最悪１／５ ＢＥとＦＡの間にある白斑が縮小したようです。 これからしばらく名古屋は曇天が続きそうです。１０月１９日は名古屋地方だけ曇りのち雨

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