Seeing: 2/10. 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
34 R images each with 0.1 secs
25 G images each with 0.1 secs
22 B images each with 0.3 secs
15-31 IR(800nm) images each exposed with 0.6 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.