ALPO-Japan: Jupiter Section (December 12, 1999)

1999”N12ŒŽ12“ú‚̖د

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Y.Iga, M.Niikawa

December 12, 1999(UT)

Summary
Yuichi Iga (280mm SC, Digital still camera NEC PICONA)
No. 87 1999/12/12 08h18m(UT)
I=145.0 II=275.2 III=151.5
280mm Schmidt-Cassegrain, XP24mm(f/27)
NEC Picona 1/7sec, 4 frames composite
Seeing:5/10 Transp.:3-1/5

Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
1999/12/12 13h24m00s(UT) I=332.2 II=100.7 III=337.1 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: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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