ALPO-Japan: Jupiter Section (December 8, 1999)

1999”N12ŒŽ08“ú‚̖د

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T.Ikemura, Y.Kawahara, M.Niikawa, S.Matsuda, K.Maeda, C.Hernandez

December 8, 1999(UT)

Summary
Carlos E. Hernandez (200mm Schmidt-Cassegrain, Drawing)
No. 5 1999/12/08 04:15(UT)
I= 85.7 II=247.7 III=122.9

200mm Newtonian
218x
Filters: Wratten 23A, 38A, 64
Seeing: 5(7)/10

Yoshinori Kawahara (250mm Cassegrain, Digital still camera NEC Picona)

No.19 1999/12/08 09:29:14(UT)
I=277.6 II= 77.9 III=313.1
De=+3.2 Dia=46.02"
Enhanced by Y.Iga

250mm Cassegrain
TeleVue barlow 3x (f/32)
NEC PICONA 1/7sec
3 frames composite

Kazuyoshi Maeda (350mm Newton, Digital still camera NEC Picona)

No. 81 1999/12/08 10:11:38(UT)
I=303.4 II=103.5 III=338.7
350mm Newton(F5), f/30
NEC PICONA 1/7sec
5 frames composite

Enhanced by Y.Iga
Toshihiko Ikemura (310mm Newton, Digital still camera NEC Picona)

No.184 1999/12/08 10:40:50(UT)
I=321.2 II=121.1 III=356.4
De=+3.2 Dia=46.01"
310mm Newton(F5)
TeleVue barlow 5x (f/34)
NEC PICONA 1/7sec
5 frames composite


No.185 1999/12/08 13:08:44(UT)
I= 51.4 II=210.5 III= 85.8
De=+3.2 Dia=46.01"
310mm Newton(F5)
TeleVue barlow 5x (f/34)
NEC PICONA 1/7sec
3 frames composite

Syoichi Matusda (300mm Schmidt-Cassegrain, Cooled CCD Camera BITRAN BJ-32C)
No. 17 1999/12/08 13:04:15(UT)
I= 48.7 II=207.8 III= 83.1

300mm Schmidt-Cassegrain
XP24mm(f/30)
BITRAN BJ-32C 1/4sec
1 frame
Seeing:5/10 Transp.:2/5


Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/12/08 13h50m00s(UT) I= 76.5 II=235.5 III=110.7 3 frames composite
1999/12/08 14h10m12s(UT) I= 88.9 II=247.7 III=123.0 5 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:3/10 Transp.:3/6
Image Processing
The Maximum Entropy Method deconvolution after composite of the original taking images. And enhanced with the unsharp masking method.
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