ALPO-Japan: Jupiter Section (December 29 1999)

1999年12月29日の木星

池村俊彦、奥田耕司、新川勝仁、前田和儀
T.Ikemura, K.Okuda, M.Niikawa, K.Maeda

December 29, 1999(UT)

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

No.203 1999/12/29 09:13:06(UT)
I=342.3 II=342.4 III=223.3
De=+3.1 Dia=43.05"
310mm Newton(F5)
TeleVue barlow 5x (f/30)
NEC PICONA 1/7sec
5 frames composite
Kazuyoshi Maeda (350mm Newton, Digital still camera NEC Picona)

No. 82 1999/12/29 10:32:10(UT)
I= 30.5 II= 30.2 III=271.0
350mm Newton(F5), f/30
NEC PICONA 1/7sec
6 frames composite

Enhanced by Y.Iga

No. 83 1999/12/29 11:55:26(UT)
I= 81.2 II= 80.5 III=321.4
350mm Newton(F5), f/30
NEC PICONA 1/7sec
5 frames composite

Enhanced by Y.Iga

No. 84 1999/12/29 12:22:30(UT)
I= 97.7 II= 96.9 III=337.7
350mm Newton(F5), f/30
BITRAN BJ32C
5 frames composite

Enhanced by Y.Iga
Koji Okuda (250mm Newton, BITRAN BT-01 Cooled CCD Camera)

1999/12/29 11h29m(UT) I= 63.8 II= 63.2 III=305.2
1999/12/29 11h47m(UT) I= 74.7 II= 74.1 III=316.1

250mm Newton, BITRAN BT-01, LRGB
Seeing:5-6/10 Transp.: 7/10

コメント

  • BEがなんとか見えるが、WS FAは眼視では分からない
  • GRSの赤みは感じない
  • EBが太く目立つ /UL>

カラー合成に使用したフレーム
Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/12/29 13h30m00s(UT) I=138.9 II=137.7 III= 18.5 11 frames composite
1999/12/29 13h33m05s(UT) I=140.7 II=139.5 III= 20.4 11 frames composite
1999/12/29 13h36m40s(UT) I=142.9 II=141.7 III= 22.6 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:8-6dB
Seeing:5/10 Transp.:1/6
Image Processing
The Maximum Entropy Method deconvolution after composite of the original taking images. And enhanced with the unsharp masking method.
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