Seeing: 4-5/10. Transparency: 4/5
By the use of a 32 cm Newtonian @ f33 (extended by PJ-20mm eyepiece) equipped with Bitran's cooled ccd camera BJ-41L (Sony ICX 285AL).
Image data are
23-32 R images each with 0.15-0.6 secs
15-24 G images each with 0.15-0.22 secs
20-29 B images each with 0.8-2 secs (+Fuji SP-4)
10-26 IR (820nm) images each exposed with 0.6-2 secs
Filters used: IDAS interference RGB filters of Type 2.
The Akutsu Observatory is located (140.2°E, 36.6°N) at Karasuyama, Tochigi, Japan.