A spot on Mars
                                Date
                            
                            
                                4 November 1676
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Manuscript page number
                            
                            
                                p2
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (page): 225mm
width (page): 170mm
                            
                        
                            
                            
                            width (page): 170mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                A spot on Mars observed by Jean Dominique Cassini on the morning of 4 November 1676, described in his letter of the same date from Paris to Henry Oldenburg.
There is a copy at LBO/28/351.
                            
                            
                        
                            
                            
                            There is a copy at LBO/28/351.
                                Related fellows
                            
                            
                                Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
                            
                        
                            
                            
                            Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
                                Associated place