ALPO-Japan: Jupiter Section (December 28 1999)

1999”N12ŒŽ28“ú‚̖د

’r‘ºr•FAVìŸm
T.Ikemura, M.Niikawa

December 28, 1999(UT)

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

No.202 1999/12/28 10:19:42(UT)
I=225.1 II=232.5 III=113.1
De=+3.1 Dia=43.19"
310mm Newton(F5)
TeleVue barlow 5x (f/30)
NEC PICONA 1/7sec
5 frames composite
poor seeing

Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/12/28 12h55m30s(UT) I=320.0 II=326.7 III=207.3 2 frames composite
1999/12/28 13h57m17s(UT) I=357.7 II= 4.0 III=244.6 7 frames composite
1999/12/28 14h01m48s(UT) I= 0.5 II= 6.7 III=247.3 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: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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