Mars on Nov.17, 2001
Ls = 273.7, De = -19.2, Dia =  8.0"

[R1]
2001/11/17 09:39:35 (UT)
CM = 282.5
11 frames composite

[B1]
2001/11/17 09:52:16 (UT)
CM = 285.6

8 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 :1/4 sec
Effective F No.: 36 (XP24mm Eyepiece Projection)

Near IR Images:
indicate [R]
Filter: R64 (640nm - 1000nm)
Exposure : 1/30 sec
Effective F No.: 36 (XP24mm Eyepiece Projection)

Seeing = 3/10
Transparency = 3/6

Image Processing;
Enhanced with unsharp masking method.

極冠はほとんど見えませんでした。
　　　　　　≪大阪府　堺市　新川勝仁≫

ALPO-Japan Latest　Mars Section