ALPO-Japan: Jupiter Section (October 29, 1999)

1999年10月29日の木星

安達　誠、池村俊彦、中西英和、新川勝仁
M.Adachi, T.Ikemura, H.Nakanishi, M.Niikawa

October 29, 1999(UT)

Summary
Toshihiko Ikemura (310mm Newton, Digital still camera NEC Picona)

No.137 1999/10/29 11:32:44(UT)
I=154.5 II=259.4 III=124.0
De=+3.5 Dia=49.59"
310mm Newton(F5)
TeleVue barlow 5x (f/31)
NEC PICONA 1/7sec
3 frames composite


No.138 1999/10/29 13:31:14(UT)
I=226.8 II=331.0 III=195.6
De=+3.5 Dia=49.59"
310mm Newton(F5)
TeleVue barlow 5x (f/31)
NEC PICONA 1/7sec
4 frames composite


No.139 1999/10/29 14:59:24(UT)
I=280.6 II= 24.3 III=248.9
De=+3.5 Dia=49.59"
310mm Newton(F5)
TeleVue barlow 5x (f/31)
NEC PICONA 1/7sec
3 frames composite


No.140 1999/10/29 16:37:32(UT)
I=340.4 II= 83.6 III=308.3
De=+3.5 Dia=49.59"
310mm Newton(F5)
TeleVue barlow 5x (f/31)
NEC PICONA 1/7sec
3 frames composite


No.141 1999/10/29 16:45:58(UT)
I=345.5 II= 88.7 III=313.4
De=+3.5 Dia=49.59"
310mm Newton(F5)
TeleVue barlow 5x (f/31)
NEC PICONA 1/7sec
3 frames composite

Makoto Adachi (310mm Newton, Drawing)
No. 77 1999/10/29 12h55m(UT)
I=204.6 II=308.9 III=173.5
310mm Newton, x400
Seeing:6/10 Transp.:3/5

  • SEBsにいくつもの暗斑が並んでいる。特に中央のものは目立つ。
  • SEBはほとんど目立たない。
  • NTBは幅が広く南北の端が濃く見える。
  • There are some dark spot on SEBs.
  • SEBn is faded.

Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/10/29 13h19m40s(UT) I=219.7 II=324.0 III=188.6 6 frames composite
1999/10/29 13h30m24s(UT) I=226.3 II=330.5 III=195.1 5 frames composite
1999/10/29 16h38m50s(UT) I=341.2 II= 84.4 III=309.2 6 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:6->2/10 Transp.:3->2/6
Image Processing
The Maximum Entropy Method deconvolution after composite of the original taking images. And enhanced with the unsharp masking method.
Remark
The bottom image was disturbed by the cloud
Hidekazu Nakanishi (200mm Maksutov-Newton, Starlight Xpress MX5-C Cooled CCD Camara)

No.43 1999/10/29 15:05:58(UT) I=284.6 II= 28.3 III=252.9 4 frames compoiste
No.44 1999/10/29 15:09:29(UT) I=286.7 II= 30.4 III=255.0
No.45 1999/10/29 15:14:31(UT) I=289.8 II= 33.4 III=258.1 3 frames composite
No.46 1999/10/29 16:06:02(UT) I=321.2 II= 64.6 III=289.2 2 frames composite
Enhanced by H.Nakanishi

ALTER8N 200mm Maksutov-Newton(F6), Or12.5mm(f/50)
Starlight Xpress MX5-C, 0.65/0.65/0.65/0.85sec

Comment
  • 気流の状態が悪くいま一つの画像です。また、大赤斑が十分に回ってくる頃にはさらに条件が悪くなってしまいました。
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