2003 06 20 Mo Note
Martian Images taken 20 June 2003 at 17:50 GMT by Yukio MORITA.

  λ=206゚Ls,   (ω=142°W,   φ=21°S),   δ=14.9",   ι=40°
  Seeing: 3 /10.

Note:
  Observation made in a lull in the rainy season we are sufferring since 9 June. M Sirenum is explicit, and a new marking in Daedalia (near Arexes) is visible following Phasis.
  Notable is the morning limb cloud at Eridania or Ausonia. The white cloud at the Tharsis ridge is fairly visible. Olympus Mons is not explicit.
  The spc shows clearly a rift as suggested in http://homepage3.nifty.com/~cmohk/coming2003/07.html

Instrument:
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
    20 IR images each exposed with 0.1 secs
    19 R + IR Rejection images each with 0.2 secs
    16 G + IR Rejection images each with 0.4 secs
    20 B + IR Rejection images each with 0.4 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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