1lis (1/(4 7/8))AE,ſeu (1/39)AEquamproxime. A perpendiculo autem a
ſtella Aad rectam PEdemiſſo, diſtantia Cometæ erat 4/5PE.
ſtella Aad rectam PEdemiſſo, diſtantia Cometæ erat 4/5PE.
LIBER
TERTIUS.
TERTIUS.
Die is, Feb.27. hor. 8 1/4 P.M. Cometæ in Qexiſtentis di
ſtantia a ſtella Oæquabat diſtantiam ſtellarum O& H,& recta
QOproducta tranſibat inter ſtellas K& B.Poſitionem hujus
rectæ ob nubes intervenientes, magis accurate definire non potui.
ſtantia a ſtella Oæquabat diſtantiam ſtellarum O& H,& recta
QOproducta tranſibat inter ſtellas K& B.Poſitionem hujus
rectæ ob nubes intervenientes, magis accurate definire non potui.
Die tis, Mart1, hor. 11. P.M. Cometa in Rexiſtens, ſtellis
K& Caccurate interjacebat, & rectæ CRKpars CRpaulo
major erat quam 1/3CK,& paulo minor quam 1/3CK+1/8CR,
adeoque æqualis 1/3CK+(1/16)CRſeu (16/45)CK.
K& Caccurate interjacebat, & rectæ CRKpars CRpaulo
major erat quam 1/3CK,& paulo minor quam 1/3CK+1/8CR,
adeoque æqualis 1/3CK+(1/16)CRſeu (16/45)CK.
Die ii, Mart.2. hor. 8. P.M. Cometæ exiſtentis in S,di
ſtantia a ſtella Cerat 4/9FCquamproxime. Diſtantia ſtellæ Fa
recta CSproducta erat (1/24)FC; & diſtantia ſtellæ Bab eadem recta,
erat quintuplo major quam diſtantia ſtellæ F.Item recta NS
producta tranſibat inter ſtellas H& I,quintuplo vel ſextuplo pro
pior exiſtens ſtellæ Hquam ſtellæ I.
ſtantia a ſtella Cerat 4/9FCquamproxime. Diſtantia ſtellæ Fa
recta CSproducta erat (1/24)FC; & diſtantia ſtellæ Bab eadem recta,
erat quintuplo major quam diſtantia ſtellæ F.Item recta NS
producta tranſibat inter ſtellas H& I,quintuplo vel ſextuplo pro
pior exiſtens ſtellæ Hquam ſtellæ I.
Die ni, Mart.5. hor. 11 1/2. P. M. Cometa exiſtente in T,
recta MTæqualis erat 1/2ML,& recta LTproducta tranſibat
inter B& F,quadruplo vel quintuplo propior Fquam B,au
ferens a BFquintam vel ſextam ejus partem verſus F.Et MT
producta tranſibat extra ſpatium BFad partes ſtellæ B,quadru
plo propior exiſtens ſtellæ Bquam ſtellæ F.Erat Mſtella pere
xigua quæ per Teleſcopium videri vix potuit, & Lſtella major
quaſi magnitudinis octavæ.
recta MTæqualis erat 1/2ML,& recta LTproducta tranſibat
inter B& F,quadruplo vel quintuplo propior Fquam B,au
ferens a BFquintam vel ſextam ejus partem verſus F.Et MT
producta tranſibat extra ſpatium BFad partes ſtellæ B,quadru
plo propior exiſtens ſtellæ Bquam ſtellæ F.Erat Mſtella pere
xigua quæ per Teleſcopium videri vix potuit, & Lſtella major
quaſi magnitudinis octavæ.
Ex hujuſmodi obſervationibus per conſtructiones figurarum &
computationes (poſito quod ſtellarum A& Bdiſtantia eſſet
2gr. 6′. 46″, & ſtellæ Alongitudo 26gr. 41′. 50″ & latitudo
borealis 12gr. 8′ 1/2, ſtellæque Blongitudo 28gr. 40′. 24″ & lati
tudo borealis 11gr. (17′ 9/10);) derivabam longitudines & latitudines
Cometæ. Micrometro parum affabre conſtructo uſus ſum, ſed
longitudinum tamen & latitudinum errores (quatenus ab ob
ſervationibus noſtris oriantur) dimidium minuti unius primi vix
ſuperant, præterquam in obſervatione ultima Mart.9. ubi poſi
tiones ſtellarum minus accurate determinare potui. Caſſinusqui
aſcenſionem rectam Cometæ eodem tempore obſervavit, decli
nationem ejus tanquam invariatam manentem parum diligenter
definivit. Nam Cometa (juxta obſervationes noſtras) in fine
computationes (poſito quod ſtellarum A& Bdiſtantia eſſet
2gr. 6′. 46″, & ſtellæ Alongitudo 26gr. 41′. 50″ & latitudo
borealis 12gr. 8′ 1/2, ſtellæque Blongitudo 28gr. 40′. 24″ & lati
tudo borealis 11gr. (17′ 9/10);) derivabam longitudines & latitudines
Cometæ. Micrometro parum affabre conſtructo uſus ſum, ſed
longitudinum tamen & latitudinum errores (quatenus ab ob
ſervationibus noſtris oriantur) dimidium minuti unius primi vix
ſuperant, præterquam in obſervatione ultima Mart.9. ubi poſi
tiones ſtellarum minus accurate determinare potui. Caſſinusqui
aſcenſionem rectam Cometæ eodem tempore obſervavit, decli
nationem ejus tanquam invariatam manentem parum diligenter
definivit. Nam Cometa (juxta obſervationes noſtras) in fine
zoom in
zoom out
zoom area
full page
page width
set mark
remove mark
get reference
digilib