DE PARALL. LVN. VERO ET APPARENTI, 579 



tionum pro aftris obferuata , id eft arcus M Q. dica- 

 tur D et declinatio aftri fequentis -a, fiet R. P Q. 

 zz Pd»* y - cx circumftantiis autem facile colligitur 



cqf. m ' 



vtrum haec correctio pro differentia afcenfionum re- 

 ftarum adfirmatiue an negatiue adhiberi debeat. At 

 \ero differentia declinationum vera habebitur zzRM 

 -QM cof. vp — D cof. vp , ideoque ob angulum v|/ 

 fen-p r quam minimum , differentia declinationum 

 \era ab obferuata "Vix fenfibiliter difcrepabit. 



D d d d a NON- 



