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Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Still Camera Minolta Dimage EX1500)
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Condition:
1999/08/27 17h16m24s(UT)
I=329.1 III= 70.4
Single frame
Seeing = 8/10 Trans.= 1/6
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All images are taken with ;-
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 : 1/2 sec
Analog gain: 6dB
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Image Processing;-
The Winner filter processing after Hyper-composite of the original taking images. And enhanced with the unsharp masking method.
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Condition:
1999/08/27
19h27m05s(UT), I= 45.7 III=143.9
12 frames composite
19h31m18s(UT), I= 48.2 III=146.3
17 frames composite
Seeing = 8/10 Trans.= 1/6
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All images are taken with ;-
Telescope : C11 (SC) D=280mm fl=2800mm
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
Effective F No.: 11 (SC Sub-Mirror Projection)
Filter: IR 84 filter (Approx imaging band 840nm-960nm)
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1 sec
Analog gain: 6dB
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Image Processing;-
The Maximum Entropy Method deconvolution after composite of the original taking images.
Remarks;-
It seems there were some active areas through the IR band, but could not confirm its rotaion.
赤外域で見るといくつかの活動領域があるようだが、自転は確認出来なかった
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