| Description | Observation took place 14 November 1730 at 4pm in Beijing.
Subject: Astronomy
Published in Philosophical Transactions as 'Immersiones, atque emersiones Satellitum Jovis observatæ Perkini à P. P. Ignatio kegler, & Andrea Pereira, Soc. Jesu, a mense Novem. 1730, ad Revd. P. Johannem Baptistam carbone, Soc. Jesu, R. S. S. transmissæ; et ex ejusdem Cl. Viri epistolâ ad Jacobum de Castro Sarmento, M. D. Col. Medic. Lond. L. & R. S. S. excarptæ' |