The government of the Vatican City State supports the Vatican Observatory staff and regular research costs, but the cost to build and maintain the VATT itself has come from private donors: the major donors supporting the construction of the VATT were Fred and Alice P. Lennon and Thomas J. Bannan.
梵蒂冈政府提供梵蒂冈天文台的工作人员和定期研究费用，但建立和维持VATT本身的成本来自私人捐助者：支持VATT建设的主要捐助者是Fred和Alice P. Lennon以及 Thomas J. Bannan。