2003 01 12 Mo Note

Martian Images taken on 12 January 2003 ( λ=122ﾟLs) by Yukio MORITA

Syrtis Mj is near the CM and looks fat. Hellas whitish bright.

Seeing: 3-4 /10.
The apparent diameter δ is 4.8".

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 secs
10 R + IR Rejection images each with 0.5 secs
10 G + IR Rejection images each with 0.5 secs
10 B + IR Rejection images each with 1.5~2 secs

Filters are the Koh-eisha RGB filter Type 3.

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

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