Newton, Isaac, Philosophia naturalis principia mathematica, 1713

Table of figures

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1helii a Nodo aſcendente, in Orbita Cometæ menſuratam, invenit
eſſe 9gr 20′, & Latus rectum Parabolæ eſſe 243 partium, ex­
iſtente mediocri Solis a Terra diſtantia partium 10000. Et ex his
datis, calculo itidem Arithmetico accurate inſtituto, loca Cometæ
ad obſervationum tempora computavit, ut ſequitur.
LIBER
TERTIUS.
Tempus verumDiſtantiaLong. comp.Lat. comp.Errores inCometæ a Long.Lat.d.h.′″gr.′″gr.′″′″′″Dec.12.4.46.028028 6.29.258.26.0Bor.-1.56+0.021.6.36.5961076 5.6.3021.43.20-1.8-2.1024.6.17.527000818.48.2015.22.40-0.50-0.4426.5.20.447557628.22.4527.1.36-1.21+0.3929.8.3.284021 13.12.4028.10.10+0.55+0.530.8.10.268666117.40.528.11.20+1.0+0.8Jan.5.6.1.38101440 8.49.4926.15.15+0.39-0.119.7.0.5311095918.44.3624.12.54+1.18+0.1210.6.6.1011316220.41.023.44.10+0.3+0.1013.7.8.5512000026.0.2122.17.30+0.47-0.625.7.58.42145370 9.33.4017.57.55-2.8+1.130.8.21.5315530313.17.4116.42.7-1.55+1.10Feb.2.6.34.5116095115.11.1116.4.15-2.37+2.135.7.4.4116668616.58.2515.29.13-1.27+1.5025.8.19.020257026.15.4612.48.0-2.31+1.8Mar.5.11.21.021620529.18.3512.5.40-2.16+2.10
Apparuit etiam hic Cometa menſe Novembripræcedente, &
die undecimo hujus menſis ſtylo veteri, ad horam quintam ma­
tutinam, Cantuariæin Anglia,viſus fuit in 12 1/2 cum latitudine
boreali 2gr. circiter. Craſſiſſima fuit hæc Obſervatio: meliores ſunt
quæ ſequuntur.
Nov.17, ſt. vet. Pontbæus& ſocii hora ſexta matutina Romæ
(id eſt, hora 5, 10′ Londini) filis ad fixas applicatis Cometam
obſervarunt in 8. 30′, cum latitudine auſtrali 0gr. 40′. Extant
eorum Obſervationes in tractatu quem Penthæus,de hoc Cometa,
in lucem edidit. Celliusqui aderat & obſervationes ſuas in Epi­
ſtola ad D. Caſſinummiſit, Cometam eadem hora vidit in 8 gr.
30′ cum latitudine auſtrali 0gr. 30′. Eadem hora Galletiusetiam
Cometam vidit in 8gr. ſine latitudine.
Nov.18. hora matutina 6. 30′ Romæ(id eſt, hora 5, 40′ Lon­
dini) PonthæusCometam vidit in 13gr. 30′ cum latitudine au­
ſtrali 1gr. 20′. Celliusin 13gr. 00′, cum latitudine auſtrali
1gr. 00′. Galletiusautem hora matutina 5. 30′ Romæ,Cometam
vidit in 13gr. 00′, cum latitudine auſtrali 1gr. 00′. Et R. P.
Angoin Academia Flexienſiapud Galles,hora quinta matutina
(id eſt, hora 5, 9′ Londini) Cometam vidit in medio inter ſtellas

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