λ=353ﾟLs, (ω=252°~ 254°W, φ=19°S), δ=6.0", ι=37°
Seeing: 4/10. 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
52 R images each with 0.3 secs
30 G images each with 0.3 secs
34 B images each with 1.0 secs (+Fuji SP-4)
47IR(800nm) images each exposed with 2.0 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.