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Introduction

The WIYN Mini-Mosaic Imager consists of two SITe 4096x2048 separated by a tiny gap mounted in a dewar. The CCDs have excellent cosmetics, high quantum efficiency, and allow good sampling (0.14"/pixel) and a large field of view (9.6x9.6 arcmin). Each of the two CCDs is read out through 2 amplifiers, resulting in a modestly short readout time for the 4096x4096 equivalent array. The dewar is mounted on the WIYN ``Filter Shutter Assembly" (FSA), which holds 8 4x4-inch filters. The FSA is itself mounted on the imager Nasmyth port, which rotates as the telescope tracks. The system takes advantage of the powerful ARCON CCD controllers, and benefits from the extensive software observing and reduction tools designed for the NOAO Mosaic cameras. Previous users of the WIYN imager will appreciate the better sampling, larger FOV, and greater ease of use.


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Thu Aug 24 09:59:47 MST 2000