Autograph Letter Signed
Lilienthal: 1807. Important A.L.S. "J.W. Bessel", 8vo. 2 pages, Lilienthal, December 10th 1807, in German, writing to fellow astronomer Carl Ludwig Harding who discovered Juno (a moon of Jupiter), concerning observational reports on Comet orbits that he is comparing with those reported by Olbers, which are included in this letter. He thanks Harding for sending along his map of comet Orbis and adds that observations of "their" comets are enclosed. Bessel stresses the point that the observations made with the..... More