Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500)
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Mars on Mar.09, 2001
Ls = 128.1, De = +4.5, Dia = 8.4"
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[R1]
2001/03/09 19:53:02 (UT)
CM = 276.0
26 frames composite
[B1]
2001/03/09 20:10:05 (UT)
CM = 280.1
20 frames composite
[B2]
2001/03/09 20:18:19 (UT)
CM = 282.1
15 frames composite
[R2]
2001/03/09 21:16:43 (UT)
CM = 296.3
23 frames composite
[B3]
2001/03/09 21:26:47 (UT)
CM = 298.8
26 frames composite
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Observer:Masahito Niikawa Sakai Osaka JAPAN
Email:zba03198@bird.zero.ad.jp
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Telescope : C11 (SC) D=280mm fl=2800mm
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[Blue Images]
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
CCD; ICX205AL (Sony Monochrome CCD)
Effective F No.: 36 (XP24mm Eyepiece Projection)
Filter: B390 (360nm - 500nm)
[B1], [B2] Exposure :1/3 sec
[B3] Exposure :1/8 sec
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[Near IR Images]
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
CCD; ICX205AL (Sony Monochrome CCD)
Effective F No.: 36 (XP24mm Eyepiece Projection)
Filter: R64 (640nm - 1000nm)
Exposure : 1/15 sec
Analog gain: 6dB
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Seeing = 3/10
Transparency = 2/6
Image Processing;
Enhanced with the unsharp masking method
after composite of the original taking images.
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Caption:
It is rather cold for March, sometimes the wind blows hard.
Hellas is extremely bright especially in blue images.
Dark spot in the center of Hellas - Zea Lacus? - is noted
in R images [R2].
Syrtis Major is very dark [R2].
Syrtis Majpr, Aeria, and Arabia is covered with blue cloud [B2],
[B3].
Arabia is bright also in R image [R2].
Cecropia and Boreosyrtis is faint.
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説明:
3月にしては少々寒く、時々風が強く吹く
Hellas は、青で大変明るい。
Hellasの中央の黒い斑点 - Zea Lacus? - が見える[R2].
Syrtis Major はたいへん暗い[R2].
Syrtis Majpr, Aeria, Arabia は青い雲で覆われている[B2], [B3]
Arabia は赤でも明るい[R2].
Cecropia と Boreosyrtis は淡い
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