Found astronomy: planisphere ("starwheel") question types

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http://www.flickr.com/photos/waiferx/6090103403/
Originally uploaded by Waifer X

Three possible types of planisphere ("starwheel") questions:

Given date and time, what/where in sky?

Given sky, date, what time is it?

Given sky, time, what date is it?

Photo by Cuesta College Physical Sciences Division instructor Dr. Patrick M. Len.