On the method of observing the changes that happen to the fixed stars; with some remarks of the stability of the light of our sun. To which is added, catalogue of comparative brightness, for ascertaining the permanency of the Lustre of stars. By William Herschel, LL. D. F. R. S. From the Philosophical Transactions.
Herschel, William, Sir, 1738-1822. | Date: 1796]