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ALPO-Japan Latest
Saturn Image 2001/10/12(UT)

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K.Okuda,M.Niikawa


Koji Okuda (250mm Newton, BITRAN BT-01 Cooled CCD Camera)

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

Saturn on Oct. 12, 2001
De = -28.7, E.Dia = 19.5"

[R1]
2001/10/12 16:49:35 (UT)
CMI =  26.8, CMIII =  14.4
13 frames composite

[R2]
2001/10/12 17:04:03 (UT)
CMI =  35.3, CMIII =  22.6
21 frames composite

[B1]
2001/10/12 18:39:39 (UT)
CMI =  91.4, CMIII =  76.4
26 frames composite

[B2]
2001/10/12 18:49:41 (UT)
CMI =  97.2, CMIII =  82.1
23 frames composite

[IR]
2001/10/12 19:37:15 (UT)
CMI = 125.1, CMIII = 108.8
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.: 36 (XP24mm Eyepiece Projection)

Near IR Images:
indicate [R]
Filter: R64 (640nm - 1000nm)
Exposure : 0.3 sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

IR Image:
indicate [IR]
Filter: IR76 (760nm - 1000nm)
Exposure : 1.0 sec
Effective F No.: 36 (XP24mm Eyepiece Projection)

Seeing = 2/10
Transparency = 3/6

Image Processing;
Software binning.
Enhanced with unsharp masking method.
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