Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-44 . altitude of a Aquilae. Deg. min. sec. 61 12 40 61 48 30 62 22 20 63 10 50 63 59 50 Time of chronometer. h. mm. sec. 11 17 05 5 11 18 11 20 11 22 11 24 RESULT OF CALCULATION. Mean time. Advance. Longitude. h. min. 25 20 h. min. 55 24 Deg. min. 38 10 [ 174 ] 600 FIFTH ENCAMPMENT ON THE RIGHT BANK OF PLATTE of latitude, June 30, 1842—altitude of Polaris. OBSERVATIONS. Double altitude of Polaris. Time of ch
Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-44 . altitude of a Aquilae. Deg. min. sec. 61 12 40 61 48 30 62 22 20 63 10 50 63 59 50 Time of chronometer. h. mm. sec. 11 17 05 5 11 18 11 20 11 22 11 24 RESULT OF CALCULATION. Mean time. Advance. Longitude. h. min. 25 20 h. min. 55 24 Deg. min. 38 10 [ 174 ] 600 FIFTH ENCAMPMENT ON THE RIGHT BANK OF PLATTE of latitude, June 30, 1842—altitude of Polaris. OBSERVATIONS. Double altitude of Polaris. Time of chronometer. Deg. min. sec. h. min. sec. 79 16 40 10 57 01 ?9 17 25 10 59 13 79 19 00 01 20 79 19 35 02 56 79 20 40 04 44 79 21 10 06 09 79 21 50 07 50 79 22 40 09 19 79 23 00 10 59 79 24 40 12 56 RESULT OF CALCULATION. True altitude. Mean time. Latitude. Deg. min. 39 39 04 h. min. 09 51 Deg. min. sec40 49 55 601 [ 1T^ ] ENCAMPMENT AT THE JUNCTION OF THE NORTH AND SOUTH FORKS OFTHE PLATTE RIVER, 2,700 FEET ABOVE THE LEVEL OF THE CiULF OFMEXICO. Determination of longitude, July 2, IS42—suns attitude. Mean time. Index error = — 18 OF CALCULATION. m Advance. Longitude. 22 Determination of longitude, July 2, IS 12—altitude of a Aquilse. OBSERVATIONS. FIH3T SERIES. SECOND SERIES. Double altitude of aAquilae. Time of chronometer. Double altitude of aAquils. Time of chronometer. Ikg. min. sec. 73 25 40 74 10 3074 49 20 h. min. 46 4111 48 5111 50 42 Deg. min. sec. 75 36 25 76 18 4076 43 10 h. min. 53 0311 55 06U 56 18 RESULT OP CALCULATION. Mean time. Advance. Longitude h. 53 h. 57 Deg. mm. 22 00 39 [ 174 ] 602 FNOAMFIVENT AT THE JUNCTION OF THE NORTH AND POUTH FORK8 OFTHE n AlTE RIVER, 8,710 FEET ABOVE J HE LEVEL OF THE GULF OF MEXICO. Determination of latitude, July 2, ]S42—altitude of ^Jntares in the meridian. Double altitude of the star. Beg. min. se
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Keywords: ., bookauthorunitedstatesarmycorps, bookcentury1800, bookdecade1840
