Abstract
We describe a new system (WIZARD 1 ) for zodiacal light observations, developed by a group in Kobe University, Japan. Since the zodiacal light is faint and widespread all over the sky, the system consists of a very sensitive CCD camera with a quantum efficiency of 90% at 500 nm and a wide angle lens with a FOV of 92°×46°. WIZARD will be able to measure the absolute brightness of diffuse sky in visible wavelengths. The zodiacal component will be separated from the integrated star light, airglow continuum and the scattered light in the atmosphere, in the data reduction procedure. We report the design of WIZARD and the expected performance 2 . 1 W ide-field I mager of Z odiacal light with AR ray D etector 2 We obtained the first image from WIZARD in 2001 at Mauna Kea (4200 m, Hawaii) in collaboration withthe SUBARU Telescope. In this paper, we describe the design and expected performance of WIZARD in this developing phase.
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