2003 05 17 Mo Note
Martian Images taken 17 May 2003 at 18:23~19:38 GMT by Yukio MORITA.

  λ=186゚Ls,   (ω=119°- 135°W,   φ=19°S),   δ=10.8",   ι=43°
  Seeing: 3-5/10.

  The spc is bright, while the dark fringe looks to have been weakened. Some stalks around Phasis are visible. An evening mist complex around Tharsis is checked in B.

Use is made of an f /7.7 Newtonian extended to f /50 having a 25 cm speculum equipped with an ST-5C (at -5゚C).

Image data are
    15 IR images each exposed with 0.1~0.8secs
    15 R + IR Rejection images each with 0.2~1.0 secs
    10 G + IR Rejection images each with 0.5~1.0 secs
    20 B + IR Rejection images each with 0.5~1.5 secs
Filters: Koh-Ei-Sha's interference RGB filter of Type 3.

The Morita Observatory is located (132.3°E, 34.3°N) at Hatsuka-ichi, Hiroshima, Japan.

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