ALPO-Japan: Jupiter Section (December 23 1999)

1999年12月23日の木星

池村俊彦、新川勝仁、林　敏夫
T.Ikemura, M.Niikawa, T.Hayashi

December 23, 1999(UT)

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

No.192 1999/12/23 08:59:30(UT)
I=107.2 II=153.2 III= 32.4
De=+3.1 Dia=43.92"
310mm Newton(F5)
TeleVue barlow 5x (f/34)
NEC PICONA 1/7sec
8 frames composite


No.193 1999/12/23 12:14:18(UT)
I=225.9 II=270.9 III=150.1
De=+3.1 Dia=43.90"
310mm Newton(F5)
TeleVue barlow 5x (f/34)
NEC PICONA 1/7sec
5 frames composite

Toshio Hayashi (350mm SC, Digital Still Camera Minolta Dimage EX1500)
No. 6 1999/12/23 09h23m(UT)
I=121.0 II=167.0 III= 46.0

350mm Schmidt-Cassegrain
Minolta Dimage Ex1500, Or12.5mm Collimated
1/8 sec, 6 frames composite
Seeing:2/10 Transp.:3/5


Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/12/23 13h25m30s(UT) I=269.3 II=313.9 III=193.2 4 frames composite
1999/12/23 13h30m40s(UT) I=272.5 II=317.0 III=196.3 3 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.
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