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ALPO-Japan Latest
Saturn Image 2001/12/02(UT)

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Y.Kawahara,M.Niikawa
‰ÍŒ´‹`‘¥ Yoshinori Kawahara (250mm Cassegrain, MUTO CV04 Cooled CCD Camera) 



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r1:4s   g1:2s   b:1s

seeing:6/10

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

Saturn on Dec.02, 2001
De = -28.4, E.Dia = 20.5"

[R1]
2001/12/02 16:25:56 (UT)
CMI = 237.7, CMIII = 317.0
18 frames composite

[B1]
2001/12/02 16:48:37 (UT)
CMI = 251.0, CMIII = 329.7
23 frames composite

[O1]
2001/12/02 17:17:56 (UT)
CMI = 268.2, CMIII = 346.2
15 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 = 5/10
Transparency = 3/6

Image Processing;

Software binning.
Enhanced with unsharp masking method.
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