λ=186゚Ls,
(ω=119°- 135°W,
φ=19°S),
δ=10.8",
ι=43°
Seeing: 3-5/10.
Note:
The spc is bright, while the dark fringe looks to have been weakened. Some stalks around Phasis are visible. An evening mist complex around Tharsis is checked in B.
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 0.1~0.8secs
15 R + IR Rejection images each with 0.2~1.0 secs
10 G + IR Rejection images each with 0.5~1.0 secs
20 B + IR Rejection images each with 0.5~1.5 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.