Seeing: 5/10. Transparency: 5/5
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
20-30 R images each with 0.1-0.15secs
18 G images each with 0.1-0.15secs
22-34 B images each with 0.5-0.6 secs (+Fuji SP-4)
32-35 IR (820nm) images each exposed with 0.5-0.6 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.