Donati's Comet, 2 October 1858 mb-code hunch001 by Petrus de Aliacus (Auguste

by Petrus de Aliacus (Auguste Vindelicorum

on stage during the band's concert at Peking's People's Gymnasium

are scattered on the floor and ships at sea are visible through an opening on the right

This single prism spectroscope has a simple equatorial mount adaptor for a 5-inch telescope

Donati's Comet, 2 October 1858 mb-code hunch001 by Petrus de Aliacus (AugusteAstronomical study of the head of Donati's Comet observed through the 15 inch refracting telescope at the observatory of Harvard College. Donati's Comet was one of the brightest to be seen in the 19th century and was the first to be photographed (by G. P. Bond and others). It was discovered by the Italian astronomer Giovanni Battista Donati (1826 1873). Plate 1 from the monograph An account of Donati's Comet of 1858, by George P. Bond (Cambridge,