Mars on Apr.05, 2002
Ls = 353.3, De = -13.2, Dia =  4.3"

[R1]
2002/04/05 09:59:10 (UT)
CM = 353.8
4 frames composite

[B1]
2002/04/05 10:10:14 (UT)
CM = 356.5
7 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 :1/2 sec - 1/1sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

Near IR Images:
indicate [R]
Filter: R64 (640nm - 1000nm)
Exposure : 1/15 sec
Effective F No.: 44 (XP24mm Eyepiece Projection)

Seeing = 3/10
Transparency = 3/6

Image Processing;
Enhanced with unsharp masking method.

Caption:
Sinus Sabaeus is on the CM.
SPC- Hellas cloud noted.
Hellas is bright with R filter.
Morning cloud over Mare Acidalium.

視直径が小さくなったのはさておいて、
火星が自宅の屋根に隠れてしまうため、
観測可能時間が、約１５分程度となってしまいました。
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