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  "text": "differentia, aut ad calculos rationesque revocanda, aut experimentis (ubi fieri iteratis tentaminibus possit) perquirenda? Si id per se satis dilucide atque manifeste jam appareat. Quod si in subtili cogitatione hac aliquid humani mihi contigerit, veritatem lubens agnoscam. Gaudeboque vehementer, si cuipiam occasionem dedero praestandi utilia, ut veritas, quae in occulto latere amat, perspicue detegatur.\n\nII. Observationes Astronomicæ habitæ in Collegio Pekinensi a Patribus Societatis Jesu, a Mensæ Novembri 1740. a D. Jacobo Hodgson, R.S.S. cum Regia Societate communicatae.\n\nPresented Jan.\n20. 1742-3.\n\n1740. h 11\nNov. die 4. 5 55 15 a.m. plena immersio Satellitis primi in umbra ψ, visa telescop. 13. ped.\n\n8. 12 16 5 p.m. plena immer. 2di Satellitis ψ, visa eodem.\n\n18 34 p.m. ω præcedens Stellam η in ρ occidentalior erat in asc. rect. 2° 54′ temporis, & borealior in declinatione 6° 30′.\n\n9. 11 2 15 p.m. δ emersit e Luna in recta per Menelaum & Keplerum: immersio videri non potuit ob nubes in horizonte ortivo.\n\nNov.\nNov. die 9. 18 34\n\n♀ Sequens hesternam stellam, orientalior erat in ascensione recta 1'. temporis, & australior in decl. 15' 40''. distans 21' 53''.\n\n12. 14 16 52 p.m. plena immersio Satellitis 1mi. Telef. 13 ped.\n\n15. 14 49 24 p.m. plena immersio 2di Satellitis. Eodem Telef.\n\n16. 9 55 p.m. Satelles 3tius immerfurus in umbram disparuit in nebula, ob quam nec hujus emersio, nec 4ti immersio spectari potuit.\n\n19. 16 9 10 p.m. plena immersio Satell. 1mi.\n\n21. 10 37 33 p.m. plena immersio Telef. Ejusdem.\n\n22. 17 21 48 p.m. plena immersio 2di Satellitis.\n\n18 43 ♀ Stellam ♀ in ♀ Sequatur in asc. rect. 4' 27'' temp. & erat australior in declin. 13' 20''.\n\n26. 7 45 vesp. Stella τ in ≈ stabat in Linea Dichotomiae ε, a cuspide australi in declinatione australior 13' 0''.\n\nR r Nov.\n1740.\n\nNov. die 26. 18 1 25 p.m. plena immersio\nSatellitis. Tel.13\n\n30. 17 47 40 p.m. plena immersio\nSatellitis 3tii.\n\nDec. die 2. 17 20 p.m. Stella ε in 8 supra crat\nin cadem asc. rect. cum centro Platonis, borealior in declin. 12' 20''.\nPlato distabat a limbo bor. ε 4' 0''.\n\n3. 9 10 57 p.m. plena immersio Satell.\n2di. Tubo 13 pedum.\n\n4. 12 26 p.m. ε obtexit Stellam η in\nII, quae immersit contra Byrgium; emersio ob nebulam non fuit observata.\n\n10. 11 42 32 p.m. plena immersio\nSatellitis.\n\n14. 10 38 20 p.m. plena immersio\nSatellitis.\n\n17. 14 15 20 p.m. plena immersio\nSatellitis.\n\n19. 18 3 p.m. immersio Satellitis 1mi.\n\n1741.\n\nJan. die 1. 7 mane\nε distans a Stella ν in\nm 4 34'. Sequebatur eam\nin asc. rect. 1' 50''\ntemp. borealior in declin. 19' 0''\n\nJan.\n1741. h ''\nJan. die 1. 5 30 6 p.m. Emeritio Satellitis 1 mi.\nTelecop. 10 pedum.\n\n5 59 30 — Limbus occiduus & ad filum horarium in telescopio.\n\n6 0 24 — 4 ad diem filum, distans a limbo bor. 13' 0''.\n\n1 15 — Limbus orientalis & ad idem filum.\n\n6 5 36 — Limbus occiduus & rursus ad idem filum horarium.\n\n6 18 — 4 ad idem filum, distans a limbo boreo, 12' 30''.\n\n7 55 — Limbus orient. & ad idem filum.\n\n11 34 — 4 culminavit altus 73° 26'.\n\n43 — & culminavit alt. centr. 73° 15'.\n\nDie 2. horis matutinis partialis & Eclipsis,\n\nh ''\n\n6 4 18 mane umbram iam tenuiter strinxisse & marginem, tubo 3 ½ ped. notatum est.\n\n6 5 40 Initium certum inter Vic-tam & Schikardum tubo 6 ped. signatum fuit.\n\n10 0 Umbra ad Schikardum.\n\n14 0 ad mare humorum\n\nR r 2 Jan\n1741. Jan. die 2.\n\n6 16 o Umbra ad Grimaldum.\n16 10 ad Capuanum.\n17 20 incipit Gassendus immergi.\nCentrum Grimaldi in umbra.\n18 30 totus Grimaldus mersus.\n19 o Umbra ad Campanum.\n19 30 ad Herigonium.\n22 30 ad Tychonem.\n23 10 ad Bullialdum.\n24 o Tycho mersus.\n24 20 Umbra ad Pitatum.\n32 o ad Galileum.\n42 o ad Kepplerum.\n43 o ad Reinholdum.\n55 o Fracastor. mergitur, umbra ad Copernicum.\n\n7 2 o Copernicus totus videtur esse in umbra.\n6 o Umbra ad Wendelinum.\n10 20 Centrum e in umbra.\n14 o e occultatur post montes ad occasum ante medium eclipsis.\n\nCaeterum Penumbra erat exigua, & umbra bene nigra ac distincta: potuitque coelo admodum serene & clare eclipsis sat commode spectari usque ad occasum e. Diameter Lunæ ante eclipsim erat in micrometro 30' 20'' circ. in ipso vero occasu tantum 30' 0''. Centrum apparentis disce erat ab sinu aestuum occid. modice versus Hipparchum.\n\nJan.\n1741.\n\nJan. die 6. 12 52 25 p.m. Emersio Satellitis 1 mi. Telescop. 18 ped.\n\n8. 7 20 30 p.m. Emersio ejusdem. Eodem dubie.\n\n11. 13 51 22 p.m. Emersio Satellitis 2 di. Telescop. 10 ped.\n\n14. 2 42 40 a.m. Emersio Satellitis 1 mi. Telescop. 18 ped.\n\n15. 9 12 36 p.m. Emersio ejusdem. Telescop. 13 ped.\n\n18. 16 26 15 p.m. Emersio Satellitis 2 di. Telescop. 10 ped.\n\n21. 5 30 p.m. præcedebat hesternam Stellam c in II 1' 8''. temp. in asc. rect. australior erat in declin. 5' 0''.\n\n22. 5 15 p.m. præcedens hesternam Stellam 2' 45''. temp. in asc. rect. australior in declin. 2' 0''.\n\n5 41 57 p.m. Emersit Satelles 2 dus. Telescop.\n\n11 3 19 p.m. Emersit Satelles 1 us.\n\n24. 5 33 24 p.m. Emersio Satellitis 1 mi. Telescop. 10 ped.\n\n28. 7 18 vesperi v a margine c distabat 19' 30''.\n\n29. 8 18 16 p.m. Emersio Satellitis 2 di. Telescop. 13 ped.\n\nJan.\n1741.\n\nJan. die 29. 12 57 10 p.m. Emerso Satellitis 1mi.\n\nFeb. die 3. 8 18 p.m. Emerso Satellitis 3tii.\n\n5. 10 53 20 p.m. Emerso Satellitis 2di.\n\n6. 2 53 a.m. Emerso Satellitis 1mi.\n\n7. 9 20 35 p.m. Emerso eijusdem.\n\n8. 10 43 p.m. plena immer. Satellitis 4ti.\n\n14 6 30 Cæpit emergere idem Satelles 4tus.\n\n10. 9 16 30 p.m. plena immersio Satellis 3tii. Eodem.\n\n12. 13 32 p.m. Emersit Satelles 2dua visus Telescop. 8 ped.\n\n14. 11 14 15 p.m. Emerso Satellitis 1mi. Telescop. 18 ped.\n\n16. 5 43 45 p.m. Emerso ejusdem. Eodem.\n\n22. 11 44 26 p.m. Luna obtexit stellam in 8 stantem in recta cum Manilio & Censorino. Emerso spectari non potuit.\n\n23. 7 39 29 p.m. Emersit Satelles 1us. Tubo 18 ped.\n\nFeb.\n1741. Feb. die 24. 9 27 p.m. Stella \\( \\eta \\) in II infra \\( \\sigma \\) am stabat in recta cum Tycho & Platone, ab illo in austrum distans 11' 20''.\n\n13 38 45 p.m. Stella \\( \\mu \\) in II obtecta fuit a \\( \\sigma \\) in recta per Tychonem & Posidonium; quae non emerit ante hor. 13. 55', cum \\( \\sigma \\) occidit post tectum.\n\n25. 8 26 30 p.m. Emersio Satellitis 4ti. Telecop. 13.\n\nMart. die 2. 9 36 11 p.m. Emersio Satellitis 1mi. Telecop. 18.\n\nII. 6 2 45 p.m. Emersio ejusdem. Eod.\n\nApril. die 3. 6 26 35 p.m. Emersio ejusdem. Eod.\n\n8 14 Emersio Satellitis 2di. Tubo 8 ped.\n\n10. 8 20 37 p.m. Emersit Satellesius visus Telecop. 13.\n\n20. 10 50 42 p.m. \\( \\sigma \\) obtexit Satellitem 3tiun, qui erat ad occidentem \\( \\gamma \\)is.\n\n10 56 45 \\( \\sigma \\) attigit limbum \\( \\gamma \\) h. 10 57' 35'' fuit plena hujus immersio plane in medio inter utramque cuspidem \\( \\sigma \\) recta versus centrum. Alii Satellites ob atmosphaeram non\nnon erant bene discernibiles. Et Luna paulo post se abscondit post tecta.\n\n1741. Maii die 3. h 8' 40\" 6 p.m. Emerisco Satellitis 1 mi. Telescop. 13 ped.\n9 36\n\nSept. die 8. 4 41 48 a.m. Immersio Satellitis 1 mi. Eodem.\n\n24. 8 7 15 p.m. c obtextit Stellam quadranguli ante caudam Ceti Australis praecedentem, quae immersit modice ad ortum Cleostrati.\n\n9 0 13 Eadem emerit proxime Berosum.\n\nOct. die 1. 5 0 8 a.m. Immersio Satellitis 1 mi. Tubo 13 ped.\n15. 17 8 49 p.m. Immersio 2 di. Satellitis coelo nonnihil nubilo. Telescop. 13 ped.\n\nIII. Ex-",
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    "identifier": "jstor-104185",
    "title": "Observationes Astronomicae Habitae in Collegio Pekinensi a Patribus Societatis Jesu, a Mense Novembri 1740. a Do Jacobo Hodgson, R. S. S. Cum Regia Societate Communicatae",
    "authors": "Jacobo Hodgson",
    "year": 1742,
    "volume": "42",
    "journal": "Philosophical Transactions (1683-1775)",
    "page_count": 10,
    "jstor_url": "https://www.jstor.org/stable/104185"
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