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  "text": "series given, the even powers of \\( x \\), or any other terms whatever, be wanting, their places must be supplied with cyphers; which, in order the of numbering off, must be reckoned as real terms.\n\n---\n\n**CIV. Observatio Eclipseis Lunæ Die 30 Julii 1757. habita Olissipone à Joanne Chevalier, Congregationis Oratorii Presbytero, é Regia Londinensi Societate. Communicated by Jacob de Castro Sarmiento, M D F. R. S.**\n\nTubo optico 8 pedum.\n\n| Read Nov. 16. | Initium penumbrae | 9 | 15 | 18 |\n|---------------|-------------------|---|----|----|\n| 1758.         | Initium dubium eclipsis | 9 | 22 | 24 |\n| Certo jam incœperat | — | — | 9 | 23 | 34 |\n| Umbra ad mare humorum observata | — | — | 9 | 31 | 2 |\n| vitro plano cæruleo | — | — | 9 | 31 | 29 |\n| Solo tubo optico observata | — | — | 9 | 31 | 48 |\n| Vitro flavo observata | — | — | 9 | 31 | 20 |\n| Umbra tangit Grimaldum observata | — | — | 9 | 31 | 50 |\n| vitro plano cæruleo | — | — | 9 | 32 | 8 |\n| Solo tubo optico | — | — | 9 | 34 | 4 |\n| Vitro plano flavo | — | — | 9 | 34 | 28 |\n| Totus Grimaldus tegitur observatus | — | — | 9 | 34 | 47 |\n| vitro plano cæruleo | — | — | 9 | 34 | 47 |\n\nVol. 50.\n| Description                                                                 | Time |\n|---------------------------------------------------------------------------|------|\n| Umbra ad Typhonem observata vitro plano caeruleo                           | 9    |\n| Solo tubo optico                                                          | 9    |\n| Vitro flavo                                                               | 9    |\n| Umbra ad Harpalum vitro caeruleo observata                                | 9    |\n| Solo tubo optico                                                          | 9    |\n| Umbra ad Fracastorium                                                     | 9    |\n| Umbra ad Mare Nectaris                                                    | 10   |\n| Observata vitro flavo                                                     | 10   |\n| Umbra ad Dionyfium                                                        | 10   |\n| Umbra tangit Mare Tranquillitatis                                         | 10   |\n| Umbra ad Mare Serenitatis                                                 | 10   |\n| Umbra tegit Menelaum observata vitro caeruleo                              | 10   |\n| Solo tubo optico                                                          | 10   |\n| Vitro flavo                                                               | 10   |\n| Totum Mare Fœcunditatis tegitur                                           | 10   |\n| Umbra tangit Mare Crisium vitro caeruleo observata                         | 10   |\n| Solo tubo optico                                                          | 10   |\n| Vitro flavo                                                               | 10   |\n| Umbra ad Proclum                                                           | 10   |\n| Posidonius totus tegitur                                                   | 10   |\n| Totum Mare Serenitatis tegitur                                            | 10   |\n| Totum Mare Crisium ab umbra tegitur                                       | 10   |\n| Plato tegitur vitro caeruleo observatus                                    | 10   |\n| Solo tubo optico                                                          | 10   |\n| Vitro flavo                                                               | 10   |\n| Obscuratio maxima                                                         | 10   |\n### Emersiones.\n\n| Event                                                                 | Time |\n|----------------------------------------------------------------------|------|\n| Plato emergit observatus vitro flavo                                 | 11   |\n| Solo tubo optico                                                     | 19   |\n| Vitro caeruleo                                                       | 19   |\n| Aristarchus emergit                                                   | 21   |\n| Gassendus incepit emergere observatus vitro flavo                    | 25   |\n| Observatus solo tubo optico                                          | 25   |\n| Observatus vitro caeruleo                                            | 26   |\n| Gassendus totus extra umbram                                         | 28   |\n| Schicardus incipit emergere                                          | 45   |\n| Totus extra umbram                                                   | 47   |\n| Totum Mare Humorum extra umbram                                      | 46   |\n| Menelaus extra umbram                                                | 55   |\n| Mare Serenitatis extra umbram                                        | 59   |\n| Tycho extra umbra observatus vitro flavo                             | 00   |\n| Solo tubo optico                                                     | 00   |\n| Vitro caeruleo                                                       | 01   |\n| Incipit emergere Mare Crisium                                        | 08   |\n| Totum Mare Crisium extra umbram                                      | 16   |\n| Finis eclipsis                                                       | 28   |\n\nObservatio hæc peracta est coelo claro; umbra autem terræ ita diluta erat, ut maculæ in ea conditæ fatis dignoscerentur.",
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    "identifier": "jstor-105329",
    "title": "Observatio Eclipsis Lunae Die 30 Julii 1757. Habita Olissipone à Joanne Chevalier, Congregationis Oratorii Presbytero, é Regia Londinensi Societate. Communicated by Jacob De Castro Sarmiento, M D F. R. S.",
    "authors": "Joanne Chevalier, Jacob de Castro Sarmiento",
    "year": 1757,
    "volume": "50",
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