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News from Mount Wilson:

1/6/2012 - U.S. Forest Service undertakes a fire fuels reduction program on Mount Wilson - More here.

12/1/2011 - The Observatory's Cosmic Cafe is closed for the winter. We will reopen the Cafe and resume our 1 pm guided tours on April 1, 2012.

Banner photographs by David Jurasevich.


Mount Wilson Observatory is operated by the Mount Wilson Institute under an agreement with the Carnegie Institution of Washington. The Observatory occupies lands belonging to the USDA Forest Service set aside under a long-term leasehold agreement between CIW and the USDA Forest Service. The Observatory subscribes to the USDA non-discrimination policy as expressed here.

2009 Mount Wilson Calendar

Price Reduced - AGAIN!

A Mount Wilson Observatory 2009 calendar is available at the reduced price of $5 (including shipping) for the first calendar and $3 for each additional calendar. The calendar is in 8.5 x 11 inch format printed in full color on heavy, glossy stock paper and features beautiful images taken by a number of people with close association to the Observ atory. The calendar may be obtained by sending a check to: Mount Wilson Institute/Calendar, P.O. Box 1909, Atlanta, GA 30301-1909. All proceeds from the calendar will go towards the Second Century Campaign for Mount Wilson Observatory.