λ=160゚Ls,
(ω=247°W, 252°W,
φ=10°S),
δ=7.4",
ι=41°
Seeing: 4-5/10.
Note:
Syrtis Mj is on the morning side, and Hellas looks largely covered by cloud down to M Tyrrhenum.
The boundary of the sph is not definite. The Aetheria dark patch is dark evident. Elysium a bit light near the terminator.
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
15 G + IR Rejection images each with 0.3 secs
20 B + IR Rejection images each with 0.5 secs
Filters: Koh-eisha's interference RGB filter of Type 3.
Observing site is located at Hatsuka-ichi, Hiroshima, Japan.