2003 04 09 Mo Note

Martian Images taken on 9 April 2003 at 20:01~20:29 GMT by Yukio MORITA.

λ=166ﾟLs, (ω=150°W, φ=12°S), δ=8.0", ι=42°
Seeing: 3/10.

Note:
The sph is large, and conspicuous in B. M sirenum looks split because of cloud, but the images are not stable and so not sure.

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
15 R + IR Rejection images each with 0.2 secs
10 G + IR Rejection images each with 0.3 secs
20 B + IR Rejection images each with 0.5 secs
Filters: Koh-Ei-Sha's interference RGB filter of Type 3.

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

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