‎"KATER, HENRY. - THE FIRST OBSERVATION OF ""VOLCANIC"" ACTIVITY ON THE MOON.‎
‎Notice respecting a volcanic appearance in the Moon, in a Letter addressed to the President. Read February 8, 1821.‎

‎(London, W. Bulmer and W. Nicol, 1821). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1821 - Part II. Pp. 130-132 and 1 engraved moon-plate. Offsetting from the plate to the last leaf.‎

Reference : 46387

‎This paper represent the first observation of volcanic-like activity on the Moon, taken place the 4th, the 6th and the 7th Februar 1821. The next year it was confirmed by Olbers. ""I observed a luminous spot in the dark part of the moon, which I was inclined to ascribe to the eruption of a volcano.""(Kater).‎