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Venus Image 2002/08/01(UT)
新川勝仁
M.Niikawa
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Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
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Venus on Aug.01, 2002
k = 0.59, Dia = 20"
IDAS-U filter
350nm - 390nm
2002/08/01 09:54:30 (UT)
29 frames composite
IR96 filter
960nm - 1000nm
2002/08/01 10:32:54 (UT)
28 frames composite
Observer:Masahito Niikawa
Email:zba03198@bird.zero.ad.jp
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Telescope : C11 (SC) D=280mm fl=2800mm
F No.:10 (No projection, prime focus)
Camera:Minolta DimageEx1500 Digital Camera taking lens removed
CCD:ICX205AL (Sony Monochrome CCD)
Near UV Image
Filter: IDAS-U (350nm - 390nm)
Exposure :0.33 sec
Near IR Image
Filter: IR96 (960nm - 1000nm)
Exposure : 1/8 sec
Seeing = 5/10
Transparency = 2/6
The near UV image shows S02 cloud of which rotation period is 4days.
So the near UV image is different form the previous day's image.
On the other hand the near IR image shows the lower cloud thirmal radiation
that is same as the previous day's image.
≪大阪府 堺市 新川勝仁≫
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