2002 12 29 Mo Note
Yukio MORITA's Martian Images
taken on 29 December 2002 (115゚Ls)

The sky was fair and seeing improved to 5/10, while the apparent diameter is still small ( δ = 4.5"). M Acidalium is dark near the evening terminator as well as the markings on the southern hemisphere. It is notable the atmosphere is now full of water vapor as shown by the white evening mists over Chryse and the morning area following Tharsis.

MORITA uses 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 secs
    15 R + IR Rejection images each with 0.2 secs
    10 G + IR Rejection images each with 0.4 secs
    15 B + IR Rejection images each with 0.8 secs

Now MORITA has turned to use the Koh-Eisha RGB filter Type3.

MORITA's observing site is located at Hatsuka-ichi, Hiroshima He is a CMO member ever since July 1992 (cf CMO #122)

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