(ω=275°W - 295°W,
Seeing: 4 /10.
Syrtis Mj and Hellas are near the CM. The western part of Hellas looks shadowy. The sph is large 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 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.