observations of OH Meinel bands and OI 557.7-nm emissions using four all-sky CCD
imagers at two separated site. Two imagers were set up at the Shigaraki MU Observatory
(34.85° N, 136.11° E), and two others were set up at the Muroh Observatory (34.57° N,
136.01° E). The range between the two sites is about 32 km. Observations were conducted
during the new moon period from 21 January to 3 February 1998 as a part of the Planetary …