2003 03 13 Mo Note
Martian Images taken on 13 March 2003 ( λ=151゚Ls) by Yukio MORITA.

  ω=047°W - 096°W,   φ=5°S,   δ=6.6",   ι (phase angle)=39°

It appears that the area of Thaumasia looks not so different from the late 2001 situation. Nilokeras quite dark in IR, and Tempe white in B.

Seeing: 3-4 /10.

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).

Observation Time :19:46 - 21:10 GMT

Image data are
      6 IR images each exposed with 0.05 secs
      7 R + IR Rejection images each with 0.2 secs
    10 G + IR Rejection images each with 0.3 secs
    11 B + IR Rejection images each with 0.5 secs
Filters: the Koh-eisha RGB filters of Type 3.

Observing site is located at Hatsuka-ichi, Hiroshima, Japan.

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