The Vatican Observatory Foundation (VOF) is a tax-exempt corporation in the State of Arizona under the 501(c)3 provisions of the United States Internal Revenue Service. Financial gifts to the VOF are tax deductible to the full extent of the law.

Online: The Vatican Observatory Foundation accepts Visa, MasterCard, American Express and Discover. By clicking this button you will be directed to the secure online payment page:

By Mail: Checks in US dollars made payable to The Vatican Observatory Foundation can be mailed to:

For any questions or additional information please email Katie Bannan Steinke, Development Coordinator or contact her by phone at +1 (805) 901-6591.