λ=354ﾟLs, (ω=194°~ 198°W, φ=18°S), δ=5.9", ι=37°
Seeing: 3-6/10. Transparency: 3-4/5
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
49 R images each with 0.2 secs
40 G images each with 0.2 secs
30 B images each with 1.5 secs (+Fuji SP-4)
43-53 IR(800nm) images each exposed with 0.4-0.7 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.