{ "id": "2441000044c418015a82958a7e4031a142a560a4", "text": "IV. A Collection of the Observations made on the Eclipse of the Moon, on March 15. 1735-6. which were communicated to the Royal Society.\n\n1. Eclipse of the Moon, observed by Mr. Geo. Graham in Fleetstreet, March 15. 1735-6.\n\n| H. M. S. | Description |\n|----------|------------------|\n| 10 13 00 | The Beginning |\n| 11 11 00 | The total Immersion |\n| 12 49 00 | The Emerision |\n| 13 47 00 | The End |\n\n2. Dr. Halley at Greenwich observed,\n\n| H. M. S. | Description |\n|----------|-----------------|\n| 10 13 37 | The Beginning |\n| 11 09 42 | The Immersion |\n\n3. Ob\n3. Observations on the Lunar Eclipse of March 15th, 1735-6, made at Mr. Graham's House in Fleet-street, by Mr. Celsius, F.R.S., with a reflecting Telescope of eleven Inches, magnifying Sixty-three times, and made at Edinburgh.\n\n| H. M. S. | Description |\n|----------|-------------|\n| 10 22 05 | The Shade on the Middle of Kepler. |\n| 23 15 | Entering the Mare Humorum. |\n| 28 16 | Entering on Copernicus. |\n| 29 34 | ———— the Middle of Copernicus. |\n| 30 26 | Copernicus entire. |\n| 33 28 | Enters on Timocharis. |\n| 38 44 | Enters on Tycho. |\n| 39 12 | The Middle of Tycho. |\n| 40 48 | Tycho entire. |\n| 46 00 | Enters on Menelaus. |\n| 49 20 | Plinius. |\n| 11 00 | Enters on Mare Crisium. |\n| 5 36 | Mare Crisium entire. |\n| 9 17 | The total Immersion is about to begin. |\n| 13 13 | Tycho is emerged out of the Shade. |\n| 29 00 | Mare Serenitatis is totally emerged. |\n| 40 45 | Mare Crisium is totally emerged. |\n| 45 50 | The Eclipse is nearly ended. |\n| 46 12 | The Eclipse is certainly ended. |\n\n4. Ob-\n4. Observationes habitaæ in Covent-Garden, Idibus Martii 1735-6. S.V. per D. Bevis, M.D.\n\nTempos Ver. P. M.\n6 53 47 Saturnus in puncto decussationis filorum micrometri.\n7 31 05 Hyadum primus ad filum a transit.\n7 31 50 ---filum horariunt b transit.\n7 32 35 ---filum transit.\n7 42 39 Saturnus iterum in filorum concursu.\n8 19 57½ Hyadum primus ad filum a transit.\n8 20 42½ b transit.\n8 21 27½ c transit.\n9 50 00 Discus Lunaris horarium filum percurrit 139 minutis secundis horariis.\n9 56 00 Iterum 139''.\n10 01 00 Iterumque 139''.\n10 09 40 Penumbra tenuis Lunam propè Hevelium obnubilare videtur.\n10 10 20 Jam valde sensibilis.\n10 11 40 Initium defectûs pono.\n10 14 38 Limes umbræ, quantum censeo, per Grimaldum & Cavalerium transit.\n10 19 46 Per Aristarchum.\n10 24 15 Umbra Marc Humorum ingreditur.\n10 32 44 Sinum Roris tegit.\n\nTubo scilicet objectum invertente.\nTem-Ver. P.M.\n\n10 32 44 Luna per Nubes vix cernitur.\n10 40 18 Tychonem umbra dividit.\n10 42 26 Mare Serenitatis attingit.\n10 46 01 Menelaum tangit.\nNubes atra supervenit.\n10 53 46 Discidente Nube totum Mare Nectaris tectum deprehenditur.\nDensissimae Nubes Lunam iterum adi-\nmunt.\n11 00 56 Umbra Mare Crisium tangit.\n11 05 48 Immerguntur Mare Crisium & Mare fœcundum.\n11 10 00 Totalis Lunæ in Umbram Immersio.\n12 42 20 Clarescit jam Limbus Lunæ orientalis.\n12 46 05 Fit clarior adhuc.\n12 47 56 Filamentum sinceræ Lucis quasi iectu oculi restituitur.\nNubeculae plurimæ fugaces.\n12 57 05 Limes Luminis attingit Mare Humo-\nrum.\n13 04 03 Totum Humorum Mare recuperatur.\n13 13 40 Semitegitur Tycho.\n13 14 00 Retegitur totus.\n13 17 22 Waltherus emergit.\nMultæ Nubium caligo diu, uti vide-\ntur, duratura.\n13 43 44 Mare fœcundum extra umbram cer-\nnitur.\n13 46 25 Umbra vera definit.\n13 48 30 Umbra notha non amplius sensibilis.\nIn hisce observandis Horologio bonae notae pluribus retro diebus, etiamque hac ipsa die, per quinque solis altitudines correspondentes debitâ prostapharesi correctas exacto, Tuboque optico sex pedes longo utebar. Circa medium obscurationis Luna quasi per Nubeclum subfuscum conspiciebatur, ad margines autem candentis instar ferri rubebat. Terminus Lucis & Umbrae per totum Eclipsin haud probè definiebatur.\n\n5. Observations of the Moon's Eclipse, March 15. 1735-6. at Yeovil in Somersetshire, Latitude 50 Degrees 52 Minutes, by Mr. John Milner, communicated by John Allen, M.D. F.R.S.\n\nN.B. The Clock was first adjusted by the Equation-Table.\n\n| Event | H. M. S. | D. M. |\n|-------------------------------|----------|-------|\n| The Beginning | 10 | 6 |\n| The Moon's Altitude then | | 34 |\n| The Beginning of total | 11 | 4 |\n| Observation | 30 | |\n| The Altitude then was | | 34 |\n| The Middle | 11 | 54 |\n| The End of total Obscuration | 12 | 43 |\n| The Altitude then was | | 30 |\n| The End | 1 | 39 |\n| The Altitude then was | | 15 |\n| The Continuation of the total Obscuration was | 1 | 39 |\n| The Duration of the whole Eclipse | 3 | 33 |\n\nV. 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Which Were Communicated to the Royal Society", "authors": null, "year": 1737, "volume": "40", "journal": "Philosophical Transactions (1683-1775)", "page_count": 6, "jstor_url": "https://www.jstor.org/stable/103882" } }