Seeing: 4-8/10. Transparency: 2-3/5
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
154-28 R images each with 0.2 secs
8-16 G images each with 0.2 secs
24-27 B images each with 1-1.5 secs (+Fuji SP-4)
22-27 IR (820nm) images each exposed with 0.7-0.9 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.