102 



COSMOS. 



d Scorpii 



i Ononis 



y Lyncis 



C, Draconis ... 



a Arae 



n Sagittarii .. . 



tz Herculis 



(3 Can. min. ? . 



f Tauri 



rJ Draconis ... 

 y. Geminorum 



y Bootis 



e Geminorum 



a Muscae 



a Hydril 



r Scorpii 



6 Herpulis 



Magnitude. 



V"lR. 



3-37 

 337 

 3 39 

 3-40 

 3-40 

 3-40 

 341 

 341 

 3 42 

 3-42 

 3-42 

 3 43 

 3 43 

 3-43 

 3 44 

 3 44 

 3 44 



riiot. 

 3-78 

 3-78 

 380 

 381 

 3 81 

 3-81 

 382 

 3-82 

 383 

 383 

 3-83 

 3 84 

 384 

 3 84 

 3-85 

 3-85 

 385 



6 Geminorum . . 



o Orionis 



p Cephei 



# Ursae 



f Hydrae 



y Hydrae 



13 Triang. austr. 



{ Ursae 



7} Aurigae 



y Lyrae 



t] Geminorum . . 



y Cephei 



ac Ursae 



e Cassiopeia? . . 



# Aquilae 



a Scorpii 



t Argus 



344 

 3-45 

 3-45 

 3 45 

 3 45 

 3-46 

 3 46 

 3 46 

 3-46 

 3-47 

 348 

 3 48 

 349 

 3 49 

 350 

 350 

 350 



lg I Phot. 



' 3 85 



3 86 

 386 

 3 86 

 386 

 3 87 

 3 87 

 3 87 

 3-87 

 388 

 3 89 

 389 

 390 

 390 

 391 

 3 91 

 3-91 



" The following short tahle of the photometric quantities 

 of seventeen stars of the first magnitude (as ohtained from 

 the photometric scale of magnitudes) may not be devoid of 

 interest :" 



Sirius 4*165 



7) Argus 



Canopus 2-041 



a Centauri l'OOO 



Arcturus 0-718 



Rigel 0-661 



Capella 0-510 



a Lyra . .* 0-510 



Procyon 0510 



a Orionis 0-489 



a Eridani 0*444 



Aldebaran. . .0-444 



(3 Centauri 0-401 



aCrucis 0-391 



Antares 0-391 



a Aquike 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 the 

 unit :" 



Magnitude on 

 the vulgar scale. 



1-00 

 2-00 

 3-00 



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 

 0034 

 0-024 



