Via Cometae, qui ab Initio Martii 1742. Usque ad Initium Aprilis Apparuit, ex Observationibus in Observatorio et Collegio Patrum Societatis Jesu Pekini Sinarum Habitis Deducta, et Secundum Aequatorem ac Eclipticam, uti et ad Propriam Ejus Orbitam Supputata. Cum Societate Regali Communicavit Jacobus Hodgson, R. S. S. & School Reg. Mathemat. Praeceptor in Aedibus Christi, Londini

II. Via Cometæ, qui ab Initio Martii 1742. usque ad Initium Aprilis apparuit, ex Observationibus in Observatorio et Collegio Patrum Societatis Jesu Pekini Sinarum habitis deducta, et secundum Æquatorem ac Eclipticam, uti et ad propriam ejus Orbitam supputata. Cum Societate Regali communicavit Jacobus Hodgson, R. S. S. & Schol. Reg. Mathemat. Praeceptor in Ædibus Christi, Londini. | Tempus observationis verum. | Ascensio recta. | Declinatio ab Æquatore. | Via in orbita propria. | Longitude in ecliptica. | Latitudo borealis in ecliptica. | Digressio a nodo in ecliptica. | Constellationes ad quas transit Cometa. | |-----------------------------|-----------------|------------------------|------------------------|--------------------------|-------------------------------|-------------------------------------|--------------------------------| | d. h. min. | | | | | | | | | Mart. 2 4 30.m. | 281 55 | 6 0 A | 0 0 | W 12 24 | 16 58 | 17 14 | ad pedem Antinoi. | | 4 4 o.m. | 283 30 | 5 15 B | 11 18 | 14 44 | 28 4 | 28 33 | prope caudam Serpentis. | | 5 4 45.m. | 283 33 | 10 50 | 16 55 | 16 2 | 33 33 | 34 9 | infra caudam Aquilæ. | | 7 4 o.m. | 284 48 | 22 40 | 28 48 | 19 32 | 45 9 | 46 3 | inter Anserem et Cerberum. | | 11 2 30.m. | 288 144 57 | 51 15 | 3 6 | 66 22 | | 68 29 | inter alam Cygni et Lyram. | | 12 4 30.m. | 289 650 3 | 56 24 | 9 56 | 70 53 | | 73 38 | in ala boreali Cygni. | | 13 3 15.m. | 290 1154 15 | 60 39 | 18 19 | 74 20 | | 77 53 | inter Cygn. et ventr. Drac. | | 14 4 o.m. | 291 4058 50 | 65 18 | X 2 20 | 77 33 | | 82 32 | | | 15 3 15.m. | 293 1262 36 | 69 9 | 19 20 | 79 22 | | 86 23 | | | Mar. | 16 4 o.m. | 295 0'66° | |------|-----------|-----------| | | 17 4 30 o.m. | 297 10'69° | | | 18 4 o.m. | 299 34'71° | | | 19 4 o.m. | 302 39'74° | | | 8 20. v. | 304 38'75° | | | 22 9 o.v. | 319 56'81° | | | 23 9 45. v. | 327 25'82° | | | 24 10 15. v. | 336 22'83° | | | 27 9 o.v. | 21 24'84° | | | 28 8 40. v. | 26 28'84° | | | 29 1 30. m. | 30 34'84° | | | 30 2 o.m. | 38 13'83° | | | 31 2 50. m. | 45 3'83° | | | 1 2 50. m. | 50 51'83° | | | 2 3 12. m. | 55 55'82° | | Apf. | 16 4 o.m. | 295 0'66° | |------|-----------|-----------| | | 17 4 30 o.m. | 297 10'69° | | | 18 4 o.m. | 299 34'71° | | | 19 4 o.m. | 302 39'74° | | | 8 20. v. | 304 38'75° | | | 22 9 o.v. | 319 56'81° | | | 23 9 45. v. | 327 25'82° | | | 24 10 15. v. | 336 22'83° | | | 27 9 o.v. | 21 24'84° | | | 28 8 40. v. | 26 28'84° | | | 29 1 30. m. | 30 34'84° | | | 30 2 o.m. | 38 13'83° | | | 31 2 50. m. | 45 3'83° | | | 1 2 50. m. | 50 51'83° | | | 2 3 12. m. | 55 55'82° | | in ventre Draconis. | 89 32' | |---------------------|--------| | inter Drac. et Cepheum. | 93 11' | | inter Drac. et Cepheum. | 95 56' | | ad genu Cephei. | 98 38' | | inter pedes Cephei, deinceps | 100 1' | | ibidem in vicinia Poli borei. | 106 8' | Ex Ex observationibus autem secunda et quarta Martii habitis certo constat, cometam die tertia Martii circa horam sextam matutinam ad æquatorem pertigisse, eumque transivisse in ascensione recta $282^\circ 30'$, cum inclinatione suæ ad æquatorem semitæ $84^\circ 30'$ quam proximè; adeoque tum obtinuisse longitudinem $13^\circ 35'$ in ψ, cum latitudine boreali $22^\circ 54'$. Exinde etiam colligere est, eandem semitam cometicam (quæ apparentiæ decursu a circulo maximo haud deviasse visa est) occurrisse eclipticæ quidem in ψ et § $9^\circ 19'$ cum inclinatione $80$ omnino graduum. Coluro vero æquinociorum in distantia $5^\circ 37'\frac{1}{2}$ a polis mundi versus puncta æquinostialia, cum angulo inclinationis $77^\circ 33'\frac{1}{2}$: Coluro demum solstitiorum in distantia $23^\circ 57'\frac{1}{2}$ a polis mundi, versus puncta solstitia cum angulo inclinationis $13^\circ 38'$ æquali maximæ elongationi orbitæ ab eodem coluro in parte aversa, ac distantia polorum orbitæ a punctis æquinostialibus. III. Of the various Genera and Species of Music among the Ancients, with some Observations concerning their Scale; in a Letter from John Christoph. Pepusch, Music. D. & F.R.S. to Mr. Abraham de Moivre, F. R. S. SIR, Read Nov 13. 1746. In Compliance with your Request, I here send you some of my Thoughts on the various Genera and Species of the Greek Music,