λ=257゚Ls,
(ω=048°~ 089°W,
φ=19°S),
δ=24.4",
ι=11°
Seeing: 5-6/10. Transparency: 3/5
Note:
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
14-26 R images each with 0.1 secs
11-23 G images each with 0.09- 0.1 secs
15-26 B images each with 0.4-0.6 secs (+Fuji SP-4)
15-38 IR (820nm) images each exposed with 0.4-0.5 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.