AstronomyDetermination of time, longitude, latitude, and azimuth . OBSERVING TENT. No. OBSERVING TENT. DETERMINATION OF LATITUDE. 109 Observing List (Form 2). [St. Aims, 111., June 25, 1908. Zenith Telescope No. 4. ^=41° Search factors lS0°-2 ,£=97° 57.] Sum of Star No., North polar N. P. ; and search factor minus sum of Star Setting Boss cat-alogue Mag. a distances anddifference N-S* orsouth =i dif. ofN. P. Turns N. P. h m s o / o / o / 4327 16 55 22 7 49 N 12 4379 17 11 53 90 2182 32 98 10-13 -17 S 41 16 28 4441 17 28 13 61 32 S 10 4494 5. S 17 42 04 36 1025
AstronomyDetermination of time, longitude, latitude, and azimuth . OBSERVING TENT. No. OBSERVING TENT. DETERMINATION OF LATITUDE. 109 Observing List (Form 2). [St. Aims, 111., June 25, 1908. Zenith Telescope No. 4. ^=41° Search factors lS0°-2 ,£=97° 57.] Sum of Star No., North polar N. P. ; and search factor minus sum of Star Setting Boss cat-alogue Mag. a distances anddifference N-S* orsouth =i dif. ofN. P. Turns N. P. h m s o / o / o / 4327 16 55 22 7 49 N 12 4379 17 11 53 90 2182 32 98 10-13 -17 S 41 16 28 4441 17 28 13 61 32 S 10 4494 5. S 17 42 04 36 1025 22 97 42+15 -|-20 N 12 41 30 4623 18 13 22 25 38 N 21 4651 IS 18 45 72 1346 35 97 51 + 6 + s S 23 IS 16 4669 IS 22 26 60 13 s 20 4711 is 31 52 37 4322 30 97 56+ 1 + 1 N 11 15 20 * N—S=rc (search factor—sum of N. P. ), where c=number of turns of the micrometer screw in one minute ofarc= The value of one turn of the micrometer screw= When a subpolar star is used slight changes will be necessary, similar to those describedfor the case where the obse
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Keywords: ., bookauthoruscoasta, bookcentury1900, bookdecade1910, bookyear1913
