Tuesday, 17th. Wind at South-East, a fresh breeze; people employed as yesterday setting up the rigging. In the evening the Pinnace returned with 3 Turtles, 2 of which the Yawl caught and sent in. At 7 hours 41 minutes 17 seconds p.m. observ’d the first Satellite of Jupiter to Emerge, and the same Emersion hapned at Greenwich at 10 hours 00 minutes 52 seconds in the a.m.; the difference is 14 hours 19 minutes 35 seconds equal to 214 degrees 53 minutes 45 seconds of Longitude. The observation made on the 29th of last Month gave 214 degrees 42 minutes 30 seconds; the mean is 214 degrees 48 minutes 7 1/2 seconds, which this place is West of Greenwich.
July 17, 2013
Tuesday, 17th July, 1770