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Observation information, schedule, events, and new observer information located at Hollidaysburg.

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Knoxville Observers is a hobby group located in Knoxville Tennessee that fosters the love of the night sky to its members

Calendar, gallery, events, and resources.

Calendar, facilities, features, guides, and light pollution.

ephemeris.com - Astronomy, Time and Motion in the Solar System and Universe

Classes, events, public speaking and observing, information, gallery, star party information, resources, and forum.

The Northern Ireland Amateur Astronomy Society is an amateur astronomcial club that meets every month in County Antrim, Northern Ireland