102 



COSMOS. 



Star. 



V Scorpii .... 



I Orionis 



y Lyncis 



^ Draconis .. 



a Ara3 



TT Sagittarii .. 

 TT Herculis ... 

 3 Can. min. 1 . 



f Tauri 



I Draconis .. 

 u Geminomm 

 y Bootis.. ^.. 

 e Geminorum 



a Muscae 



a Hydril 



T Scorpii 



«5 Herculis... 



Mr^iitude. 



Viilg. 



3-37 

 337 

 339 

 3-40 

 3-40 

 3-40 

 3-41 

 3-41 

 3-42 

 3-42 

 3-42 

 3-43 

 3 43 

 3-43 

 3-44 

 3 44 

 3 44 



riiot. 

 3-78 

 3-78 

 3-80 

 3-81 

 3-81 

 3-81 

 3-82 

 3-82 

 3-83 

 3-83 

 3-83 

 3-84 

 3-84 

 3-84 

 3-85 

 3-85 

 3-85 



Star. 



d Geminorum . 



p Orionis 



[3 Cephei 



1? Ursae 



f Hydrae 



y Hydrae 



/? Triang. austr. 



t Ursae , 



77 Aurigae 



7 Lyrffi 



Tj Geminorum . 



y Cephei 



K Ursee 



s Cassiopeiae . 



1? Aquilae 



c7 Scorpii 



r Argus 



Magnitude. 



Vulg. 



3-44 

 3-45 

 3-45 

 345 

 3-45 

 3-46 

 3 46 

 3-46 

 3-46 

 3-47 

 3-48 

 3-48 

 349 

 349 

 350 

 3-50 

 3-50 



Phot. 



385 



3-86 

 3-86 

 38B 

 386 

 3-87 

 3-87 

 387 

 3-87 

 3-88 

 3-89 

 3-89 

 390 

 390 

 391 

 391 

 3-91 



" The following short table of the photometric quantities 

 of seventeen stars of the first magnitude (as obtained from 

 the photometric scale of magnitudes) may not be devoid of 

 interest :" 



Sirius 4'1G5 



7] Argus 



Canopus 2-041 



a Centauri 1-000 



Arcturus 0-718 



Ptigel 0-661 



Capella 0-510 



ahyiud 0-510 



Procyon 0-510 



a Orionis 0-489 



a Eridani 0-44 1 



Aldebaran. . .0-444 



13 Centauri 0-401 



a Crucis 0-391 



Antares 0-391 



a AquilsB 0-350 



Spica 0-312 



" The following is the photometric quantity of stars strict- 

 ly belonging to the 1st, 2d 6th magnitudes, in which 



the quantity of the light of a Centauri is regarded as tha 

 not :" 



7/Iagnitude on 

 th3 vulgar scale. 



1-00 

 2-00 

 300 



Quantity 

 of light. 



0-500 

 0-172 

 0-086 



Magnitude on 

 the vulgar scale. 



4-00 

 5-00 

 6-00 



Quantity 

 of light. 



0-051 

 0-034 

 0-024 



