Mars Image on December 30, 1999 (ALPO-Japan)

1999年12月30日の火星

新川勝仁
M.Niikawa

Masahito Niikawa (280mm SC, Digital still camera Minolta DimageEx1500) 
1999/12/30(UT) 08h54m21s(UT)
Ls = 273.0, CM =  44.3, De = -25.4, Dia = 5.1" 17 frames composite



Telescope : C11 (SC) D=280mm fl=2800mm
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
Effective F No.: 45 (XP24mm Eyepiece Projection)
Filter: R60 filter
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1/30 sec
Analog gain:6dB
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.
Remarks:
  • CHYSE is bright, NOACHIS cloud? is seen.
ALPO-Japan　Mars Section