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Poltea vero Halleius noster orbitam per calculum arithmeticumaccuratius determinavit, quam per descriptiones linearum fieri licuit;& retinuit quidem locum nodorum in 25 & w i§ c . 53', & inclinati-onem plani orbitL ad eclipticam 6i§ r . 2o'-f, ut & tempus periheliicometae T)ecemb. 8 d . o h . 4': distantiam vero perihelii a nodo ascen-dente in orbita cometae mensuratam invenit esse 9«*. %o\ & latusrectum parabolae esse 1430 partium, existente mediocri solis a terradistantia partium 100000. Et ex his datis, calculo itidem arithme-tico accurate instituto, loca cometae ad observationum tempora com-putavit, ut sequitur.

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Apparuit etiam hic cometa mense Novembri praecedente & Co-burgi in Saxonia a D"°. Gottfried Kirch observatus est diebus m en lishujus quarto, sexto & undecimo, stylo veteri; & ex positionibus

eius