Monsieur Hevelius's Calculation of the Late Solar Eclipse's Quantity, Duration, & c c

Eclipsis Luna observata GEDANI, Anno 1666. Die 16 Junii, St. n. à Johanne Hevelio. PHILOSOPHICAL TRANSACTIONS. Monday, January 21. 1666. The Contents. An Account, formerly promised, of Monsieur Hevelius's Calculation of the late Solar Eclipse's Quantity, Duration, &c. The Figure of the Star in the Constellation of Cygnus, together with the New Star in it, discovered some years ago, and very lately seen again by the same Mr. Hevelius. An Extract of a Letter, written by Mr. Auzout, concerning a way of his, for taking the Diameters of the Planets, and for knowing the Parallax of the Moon: Giving also a Reason, why in the Solar Eclipse above-mentioned, the Diameter of the Moon did increase about the end. A Relation of the loss of the Way to prepare the Bononian Stone for shining. A Description of a Swedish Stone, affording Sulphur, Vitriol, Allum, and Minium. A Relation of the Raining of Ashes. An Extract of a Letter from Rome, rectifying the Relation of Salamanders living in Fire. An Account of several Engagements for Observing of Tydes. Some Suggestions for Remedies against Cold. A Relation of an uncommon Accident in two Aged Persons. An Account of Two Books, I. ISMAELIS BULLIALDI ad Astronomos Monita duo: Primum, de Stella Nova, in Collo Ceti ante aliquot annos visa. Alterum, de Nebulosa Stella in Andromede Cinguli parte Borea, ante biennium itclium orta. II. ENTRETIENS sur les vies & sur les Ouvrages des plus excellens Peintres, antients & modernes, par M. FELIBIEN. Monsieur Hevelius's Calculation of the late Solar Eclipse's Quantity, Duration, &c. This Calculus was not long since communicated by Monsieur Hevelius in a Letter to the Publisher, as follows, CCC Eclipsis Solaris. Observata An. 1666. D. 2. Julii, St. N. Mane, à Johanne Hevelio. | Occiduum Phalium | Quantitas Phalium | Temp. æltimæ horol. ambulat. | Temp. ex Sciother. | Altitude | Tempus corrig. | Animadvertenda | |------------------|-------------------|-------------------------------|-------------------|----------|---------------|----------------| | | | H. | H. | O. | H. | Quod Sciaticum cum cor-recto tempore non omnino convenit, non nisi Lineæ Meridianæ imputandum. | | Initium. | | | | | | Inicium circa 79 gr. à puncto Zenith occasum versus contigit. | | 1 | | | | | | | | 2 | | | | | | | | 3 | | | | | | | | 4 | | | | | | | | 5 | | | | | | | | 6 | | | | | | | | 7 | | | | | | | | 8 | | | | | | | | 9 | | | | | | | | 10 | | | | | | | | 11 | | | | | | | | 12 | | | | | | | | 13 | | | | | | | | 14 | | | | | | | | 15 | | | | | | | | 16 | | | | | | | | 17 | | | | | | | | 18 | | | | | | | | 19 | | | | | | | | 20 | | | | | | | | 21 | | | | | | | | 22 | | | | | | | | 23 | | | | | | | Maxima obscuratio extitit ligur. 8. 25' hora 8. 2'. Ordo | Ord. Pha- | Quantit. Phalium. | Temp. assim. | Temp. ex. | Altitud. | Tempus correct. | |----------|------------------|--------------|-----------|----------|----------------| | 24 | 7 3/4 fere. | H. | H. | o. | H. | | | | 8.11.25 | 8.12 | | 8.13.25 | | 25 | 7 1/4 fere. | 8.17.30 | 8.18 | | 8.19.30 | | 26 | 7 fere. | 8.19.41 | 8.19 | | 8.21.41 | | 27 | 7 1/8 | 8.28.8 | 8.28 | | 8.30.8 | | 28 | 5 1/2 fere. | 8.30.14 | 8.30 | | 8.32.14 | | 29 | 4 | 8.36.25 | 8.36 | | 8.38.25 | | 30 | 3 | 8.43.19 | 8.43 | | 8.45.19 | | 31 | 3 1/4 | 8.46.12 | 8.46 fere.| | 8.48.12 | | 32 | 3 | 8.47.32 | 8.47 | | 8.29.32 | | 33 | 2 | 8.50.57 | 8.50 | | 8.2.57 | | 34 | 2 fere. | 8.54.15 | 8.54 | | 8.56.15 | | 35 | 1 1/2 | 8.58.24 | 8.58 | | 9.0.24 | | 36 | 1 | 8.59.35 | 8.59 | | 9.1.35 | | 37 | 0 | 9.1.38 | 9.1 | | 9.3.38 | | 38 | 0 | 9.3.20 | 9.3 | | 9.5.20 | | 39 | Finis. | 9.6.53 | 9.6 | | 9.8.53 | This Observation is by the same Astronomer, represented also by the Figures AAAAAA; as that of the Horizontal Eclipse of the Moon, is, by the Figures BB. Punctum finis distilit i verticalli ad Ortum 143 gr.