This JavaScript sheet computes the probability 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

[Return to Top]
[Go to Home Page]

Copyright © 2005 Muskegon Astronomical Society, Inc.

This web page was last updated 02/09/11