Syrtis Mj is from the CMO to the afternoon side. Hellas bright. S Meridiani coming.
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
15 R + IR Rejection images each with 0.2 secs
15 G + IR Rejection images each with 0.4 secs
15 B + IR Rejection images each with 0.8 secs
Filters: Koh-eisha's RGB filters of Type 3
Observing site is located at Hatsuka-ichi, Hiroshima, Japan.