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ALPO-Japan Latest
Saturn Image 2001/09/04(UT)

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M.Niikawa


Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)

Saturn on Sep.04, 2001
De = -28.7, E.Dia = 18.3"

[R1]
2001/09/04 18:10:28 (UT)
CMI =  28.2, CMIII = 207.3

36 frames composite

[B1]
2001/09/04 18:40:53 (UT)
CMI =  46.0, CMIII = 224.4
23 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
Camera:Minolta DimageEx1500 Digital Camera taking lens removed
CCD:ICX205AL (Sony Monochrome CCD)

Filter:R64 (640nm - 1000nm)
Effective F No.: 44 (XP24mm Eyepiece Projection)
Exposure:1/3 sec

Filter: B390 (360nm - 500nm)
Effective F No.: 44 (XP24mm Eyepiece Projection)
Exposure:1/2 sec

Seeing = 7/10
Transparency = 3/6
Image Processing;
Enhanced with unsharp masking method.

Caption:
Niether dark nor bright spot noted.
EzS is dark in blue and is bright in red as previous apparition.
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