This JavaScript sheet computes the probably that Dennis Allen will be at his observatory on a given night: Factors include day of week, month of year, weather (within 5 day forecast), moon visibility, and any scheduled M.A.S. open houses.

If you wish check before visiting, my telephone number is (231) 777-1013. For this web site, customized to the Allen observatory's location, click here.

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Our email address is: maswmich-astro.org

This web page was last updated 04/03/08