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ALPO-Japan Latest
Saturn Image 2001/12/24(UT)

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


Saturn on Dec.24, 2001
De = -28.3, E.Dia = 20.3"

[R1]
2001/12/24 14:05:16 (UT)
CMI =  11.4, CMIII =  76.8
10 frames composite

[B1]
2001/12/24 14:34:55 (UT)
CMI =  28.8, CMIII =  93.5
10 frames composite

[O1]
2001/12/24 14:59:41 (UT)
CMI =  43.3, CMIII = 107.5
19 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)

Blue Images
indicate [B]
Filter: B390 (360nm - 500nm)
Exposure :0.5 sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

Orange Images:
indicate [O]
Filter: O56 with IR Blocker(DR655) (560nm - 660nm)
Exposure : 0.25 sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

Near IR Images:
indicate [R]
Filter: R64 (640nm - 1000nm)
Exposure : 0.33 sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

Seeing = 4/10
Transparency = 3/6

Image Processing;

Software binning.
Enhanced with unsharp masking method.
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ALPO-Japan Latest@Saturn Section