The Great Comet of 1861
                                Date
                            
                            
                                1861
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Giovanni Della Longa (1823 - 1888, Italian) , Engraver
                            
                            
                        
                            
                            
                            
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                                Material
                            
                            
                            
                        
                            
                            
                            
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                                Dimensions
                            
                            
                                height (print): 290mm
width (print): 329mm
                            
                        
                            
                            
                            width (print): 329mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Astronomical obseeravations of the form and progress of the 1861 comet. Figures 1-2 show the length of the comet’s tail against constellations. Figures 3-14 are two sequences of the appearance of the comet, 1-6 July and 1-22 July. 
Plate illustrating the paper Osservzioni e richerche astronomiche sulla grande cometa del giugno 1861, by Angelo Secchi (Rome 1861).
Inscribed: ‘OSSERVAZIONI DELLA GRAN COMETA DEL 1861. FATTE AL COLEGIO ROMANO’. Inscribed below: ‘Gioni. Della Longa inc.’
Angelo Secchi (1818-1878) Italian astronomer, Jesuit priest and Director of the Observatorio del Collegio Romano, Rome, was elected a Foreign Member of the Royal Society in 1856.
                            
                            
                        
                            
                            
                            Plate illustrating the paper Osservzioni e richerche astronomiche sulla grande cometa del giugno 1861, by Angelo Secchi (Rome 1861).
Inscribed: ‘OSSERVAZIONI DELLA GRAN COMETA DEL 1861. FATTE AL COLEGIO ROMANO’. Inscribed below: ‘Gioni. Della Longa inc.’
Angelo Secchi (1818-1878) Italian astronomer, Jesuit priest and Director of the Observatorio del Collegio Romano, Rome, was elected a Foreign Member of the Royal Society in 1856.
                                Associated place