Mars Image on May 5, 1999 (ALPO-Japan)

1999年 5月 5日の火星

小嶋孝弘、新川勝仁
T.Kojima, M.Niikawa

Takahiro Kojima (1000mm Cassegrain, Fuji PROVIA)

1999/5/5 12:55:35(UT)
Ls=134.0° CM=233.3° De=+20.2° Dia=16.1"
1000cm F10 カセグレン(かわべ天文公園)
Nikon New FM2 １秒
フジクロームプロビア

撮影コメント
今年、かわべは気流が安定しません。最悪です。
Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500) 
1999/05/05(UT)
Ls = 134.4, De = +20.4, Dia = 16.2"

17h41m10s(UT), CM = 303.0, 6 frames composite


Telescope : C11 (SC) D=280mm fl=2800mm
Camera : Minolta DimageEx1500 Digital Camera
         taking lens removed
Effective F No.: 43 (Or18mm Eyepiece Projection)
Filter: IR cut & Lowpass built-in the camera
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1/4 sec
Seeing:2/10 Trans 1/6

Image Processing:

  • the Maximum Entropy Method deconvolution after composite of the original taking images, and enhanced with the unsharp masking method (the leftmost images)
  • Enhancing the Blue channel layer images with contrast adjustment. of the leftmost images for easy detection of atmospheric phenomena and,hue of the 3images is inverted (center) The Blue haze is shown as yellow

ALPO-Japan　Mars Section