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  "text": "Per dehiscentes nubes Luna admodum rubicunda observari poterat perspicue adeo, ut non meminerim aliàs in totali immersione tam clare Lunam apparuisse; quod ita fortasse visum est ob atram obscuritatem, quam circumpositae densae nubes efficiebant.\n\nUmbra dilui incipit è regione proximae emersionis.\n\nGrimaldus, jam emersus, ab umbra distat tota fere sua transversa diametro.\n\nDimidium Mare Humorum discoopertum\n\nTycho totus emergit.\n\nApparet Erathostenes.\n\nPromontorium Somnii totum discoopertum.\n\nLuna infici videtur sola penumbra.\n\nFinis etiam penumbrae.\n\nIX. Observationes quaedam Eclipseos Lunaris Die 29 Julii habita A.D. 1729.\n\nObservatio Eclipseis Lunae totalis, A. 1729 mane d. 9. Augusti Stil. Nov. habita Witebergae Saxonum, à Jo. Friderico Weiddero L.L.D & Math. Prof. Ordinar. Communicante Hans Sloane Baronetto R.S. Praef.\n\nNitium sub Grimaldo. Mane d. 9 Aug. temp. Europ.\n\nH.\nUmbra tangit\n\n\\[\n\\begin{align*}\n\\text{Galileum} & \\quad - \\quad 0 \\quad 3 \\quad 45 \\\\\n\\text{Aristarchum} & \\quad - \\quad 0 \\quad 6 \\quad 0 \\\\\n\\text{Keplerum} & \\quad - \\quad 0 \\quad 11 \\quad 0\n\\end{align*}\n\\]\n\nPostea nubes condunt lunam.\n\nTegitur mare Crisium dimidium\n\n\\[\n- \\quad - \\quad 0 \\quad 54 \\quad 0\n\\]\n\nM. Crisium totum\n\n\\[\n- \\quad - \\quad 0 \\quad 57 \\quad 0\n\\]\n\nImmersio totalis\n\n\\[\n- \\quad - \\quad 1 \\quad 1 \\quad 0\n\\]\n\nEmersio\n\n\\[\n- \\quad - \\quad 2 \\quad 40 \\quad 30\n\\]\n\nEmergere incipit\n\n\\[\n\\begin{align*}\n\\text{Galileus} & \\quad - \\quad 2 \\quad 43 \\quad 30 \\\\\n\\text{Aristarchus} & \\quad - \\quad 2 \\quad 45 \\quad 0 \\\\\n\\text{Keplerus} & \\quad - \\quad 2 \\quad 49 \\quad 0 \\\\\n\\text{Copernicus} & \\quad - \\quad 2 \\quad 54 \\quad 45 \\\\\n\\text{Plato} & \\quad - \\quad 2 \\quad 55 \\quad 30 \\\\\n\\text{Timocharis} & \\quad - \\quad 3 \\quad 1 \\quad 30 \\\\\n\\text{Manilius} & \\quad - \\quad 3 \\quad 4 \\quad 0\n\\end{align*}\n\\]\n\nEmergit totus Tycho\n\n\\[\n- \\quad - \\quad 3 \\quad 8 \\quad 30\n\\]\n\nEmergere incipit\n\n\\[\n\\begin{align*}\n\\text{Menelaus} & \\quad - \\quad 3 \\quad 10 \\quad 30 \\\\\n\\text{Plinius} & \\quad - \\quad 3 \\quad 13 \\quad 0 \\\\\n\\text{Cleomedes} & \\quad - \\quad 3 \\quad 18 \\quad 0\n\\end{align*}\n\\]\n\nM. Crisium & una M. Nectaris\n\n\\[\n- \\quad - \\quad 3 \\quad 23 \\quad 30\n\\]\n\nM. Nectaris totum emergit\n\n\\[\n- \\quad - \\quad 3 \\quad 29 \\quad 0\n\\]\n\nM. Crisium totum emergit\n\n\\[\n- \\quad - \\quad 3 \\quad 31 \\quad 30\n\\]\n\nIncipit emergere Langrenus\n\n\\[\n- \\quad - \\quad 3 \\quad 34 \\quad 30\n\\]\n\nFinis\n\n\\[\n- \\quad - \\quad 3 \\quad 40 \\quad 0\n\\]\n\nExeunte umbra inter Langrenum & Petavium.\n\nObser-\nObservatio Defectus Lunæ habita (tubo optico, longo pedes Parisienses sex) Patavii ab Cl. J. Poleno R. S. S. Die 29 Julii 1729. 48. V.\n\nTemp. Appar.\n\nH.\n\n0° 28 Initium umbræ ad Lunæ Limbum.\n13° 55 Umbra tangit Copernicum.\n15° 49 Hunc totum tegit.\n22° 24 Attingit Tychonem.\n24° 14 Totum Tychonem cooperit.\n28° 40 Attingit Manilium.\n30° 15 Hunc totum cooperit.\n33° 2 Menelaum tangit.\n34° 22 Menelaum omnino cooperit.\n49° 10 Attingit Mare Crisium.\n54° 56 Mare Crisium totum cooperit.\n58° 48 Totalis Immersio.\n2° 37 Lux in Lunæ margine.\n41° 20 Grimaldus extra umbram.\n3° 4° 15 Mare Serenitatis emergere coepit.\n6° 16 Tycho totus emergit.\n7° 28 Manilius totus discoopertus.\n10° 30 Menelaus extra umbram.\n13° 58 Mare Serenitatis totum emerit.\n21° 48 Promontorium Somnii jam extra umbram.\n23° 10 Mare Crisium incipit emergere.\n25° 28 Totum Mare Nectaris extra umbram, &c\ndimidium Mare Crisium.\n29° 0 Mare Crisium integrum apparet.\n33° 20 Langrenius extra umbram.\n38° 8 Finis Emerionis ab omni etiam penumbra.\n\nFINIS.",
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    "identifier": "jstor-103519",
    "title": "Observationes Quaedam Eclipseos Lunaris Die 29 Julii Habitae A. D. 1729",
    "authors": "Jo. Friderico Weidlero, Hans Sloane",
    "year": 1729,
    "volume": "36",
    "journal": "Philosophical Transactions (1683-1775)",
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