λ=023ﾟLs, (ω=010ﾟW, φ=3°S), δ=4.4", ι=27°
Seeing: 4/10. Transparency: 5/5
By the use of a 32 cm Newtonian @ f50 (extended by Or-12.5mm eyepiece) equipped with Bitran's cooled ccd camera BJ-41L (Sony ICX 285AL).
Image data are
59 IR(800nm) images each exposed with 0.9seconds. 2x2 bining
Filters used: IDAS interference RGB filters of Type 2.
The Akutsu Observatory is located (140.2°E, 36.6°N) at Karasuyama, Tochigi, Japan.