Copyright
Charles Brent.

Ex-meridian altitude tables, declination (0 -70 ), to which is added an explanation of maximum & minimum altitude, longitude as well as latitude from two observations of a heavenly body when near and on opposite sides of the meridian. Also a solution of the new navigation method online

. (page 4 of 18)
Online LibraryCharles BrentEx-meridian altitude tables, declination (0 -70 ), to which is added an explanation of maximum & minimum altitude, longitude as well as latitude from two observations of a heavenly body when near and on opposite sides of the meridian. Also a solution of the new navigation method → online text (page 4 of 18)
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10 50


5 ii


10 44




517


1038


523


1032




529


10 27




534


10 21


540


80


85


1055


5 6


1049




5 12


1043


5 18


1037


524


1032




529


IO 26




535


85


90


1059


5 i


1053




5 7


1047


5 13


10 41




5 19


10 36




524


1030




530


90




MlYh'


Jan. Feb.


March.


April.


May. June.


July. Aug.


Sept. Oct.


Nov. Dec.


Additional
Correction
for Sun's




1st to
15th


+ 18" +14"


+ 8"


0"


- 8" -13"


-14" -II"


-5" +3"


+ li" +17"


Altitude
only.




16 81 h st


+ 16 +12


+ 4


-4




-13 - 8


-i +7


+ 14 +i*



TABLE I. ALTITUDE CORRECTION.



35





HEIGHT OF THE EYE.




Observed


32 FEET.


33 FEET.


34 FEET.


35 FEET.


36 FEET.


87 FEET.


Observed


Altitude.


Sun's
Correc-


Star's
Correc-


Sun's
Correc-


Star's
Correc-


Sun's Star's
Correc- Correc-


Sun's
Correc-


Star's
Correc-


Sun's Star's
Correc- Correc-


Sun's
Correc-


Star's
Correc-


Altitude.




tion.


t


ion.


t


ion.


t


ion.


tion.


t


ion.


tion.


tion.


t


ion.


tion.


tion.


t


ion.











*









*







*





9







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add.


subtract.


add.


subtract.


add.


subtract.


add.


subtract.




add.


subtract.


add.


subtract.




630


230


1338


2 25


1343


2 20


1348


2 15


13 53


2 10


13 58


2 "5


4 3


6 30


40


241


1327




236


1332


231


1337


2 26


1342


2 21


1347


2 16


1352


40


50


2 52


1317


247


13 22


2 4 2


1327


237


13 S 2


232


1337


227


1342


50


7 o


3 2


13 7


257


13 12


252


13 17


247


1322


242


1327


237


1332


7 o


10


3 12


12 57


3 7


I 3 2


3 2


13 7


257


13 12


252


13 17


247


13 22


IO


20


321


12 48




3 16


1253


3 ii


1258


3 6


13 3


3 i


13 8


2 5 6




3 13


20


7 3


330 1239


325


1244


320


1249


3 I 5


1254


3 10


12 59


3 5


13 4


7 3


40


3 39 j 12 3


334


1235


329


12 40


324


1245


3 19 12 50


3 14


1255


40


50


3 47 ; 12 22


342


1227


337


1232


3 32


1237


327 1242


3 22


1247


5


8 o


3 55 ' 12 14


350


12 19


345


12 24


340


12 29


335 1234


330


1239


8 o


IO


4 2 12 7


357


12 12


35 2


12 17


347


12 22


342


1227


337


1232


10


20


4 9 12 o


4 4


12 5


359


12 10


354


12 15


349


12 20


344


1225


20


8 30


4 16


I


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4 ii


II 58


4 6


12 3


4 i


12 8


356


12 13


3 5 1


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8 30


4


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12 I


4 3


12 6


358


12 II


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430


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425


ii 44


4 20


ii 49


4 15


ii 54


4 10


ii 59


4 5


12 4


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438


II 3 2


432


ii 37


427


ii 42


422


ii 47


4 17


ii 52


4 12


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ii 18


445


ii 23


440


ii 28


435


ii 33


43


ii 38


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II 12


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II 22


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ii 27


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II 32


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5 7


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II 12


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ii 17


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522


1047




5 17


10 52


5 12


1057


5 7


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10 42


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5 17


10 52




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913


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9 8


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9 3


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9 12


6 54


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9 18


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9 13


653


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6 29


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927


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6 44


9 17


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956


6 16
6 9


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621
6 14


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6 19


934
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6 24


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936


636
6 29


9 24
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6 41
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6 2


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6 7


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612


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617


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6 22


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627


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6 16


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621


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10 16




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5 50


10 6




5 55


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80


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10 16




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1025




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90


Day of
Month.


Jan.


Feb.


March. April.


May. June. July.


Aug. Sept. Oct.


Nov. Dec.


Correction 1st to
for Sun's { 15th


+ 18"


+ 14"


+ 8" o"


- 8" -13" -14"


-II" -5" +3"


+ 11" +17"


Altitude 16th to
only. \ 31s t


+ 16


+ 12


+ 4 -4


-II -14 -13


-8-1 +7


+ 14 +18



35a



TABLE I. ALTMUDE CORRECTION





HEIGHT


OF THE EYE.






Observed


38 FEKT.


39 FEET.


40 FEET.


41 FEET.


42 FEET.


43 FEBT.


Observed


Altitude.


Sun's
Correc-


Star's
Correc-


Sun's
Correc-


Star's
Correc-


Sun's
Correc-


Star's
Correc-


Sun's
Correc-


Star's
Correc-


Sun's
Jorrec


Star's
Correc-


Sun's
Correc-


Star's
Correc-


Altitude.




tion.


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tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


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14


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55


14


14


I


50


14


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23


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28


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37


14


32


6 "?o


40


2 II


13


58


2


6


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3


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57


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12


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52


14


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48


14


21




4


50


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17


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53


2


12


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58


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90


Day of
i Month.


Jan.


Feb.


March.


April.


May.


June.


July.


Aug.


Sept.


Oct.


Nov.


Dec.


Additional ( \
Correction | 1st to
for Sun's < I 15th


+ 18"


+ 14"


+ 8"


o"


-8"


-13"


-14"


- Il"


-5"


+ 3"


+ 11"


+ 17"


Altitude 16th to
only. I 31st


+ 16


+ 12


+ 4


-4


- II


-14


-13


- 8


- 1


+ 7


+ 14





TABLE I. ALTITUDE CORRECTION.



356





HEIGHT OF THE EYE.




Observed


44 F ET.


45 FEET.


46 FEET.


47 FEET.


48 FEET.


49 FEET.


Observed


Altitude.


Sun's
Correc-


Star's
Correc


Sun's Star's
Correc- Oorrec


Sun's Star's
Correc- Correc-


Sun's
Correc-


Star's
Correc


Sun's
Correc-


Star's
Correc-


Sun's
Correc


Star's
Correc


Altitude.




tion.


tion.


tion.


tion.


tion.




tion.


tion.


tion.


tion.


tion.


tion.


tion.









*





*







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#





*







*


_.




add.


subtrac


add.


subtrac


add.


subtract.


add.


subtract


add.


subtract.


add.


subtract.




6 30


I 31


1438


I 26


1443


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i 9


15 o


6 50


40


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1427


i 37


1432


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436


i 29


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148


1422


I 44 > 14 26


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1435


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14 7


158


14 12


i 54 14 16


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1425


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1429


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1357


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2


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1347


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2 13 13 55


2 9


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14 9


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730


231


13 37


2 27


1341


2 23 13 45


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13 59


730


40


241


1327


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13 31


2 32 13 36


228


1340


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40


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1323


2 40 13 27


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3 3 1


231


1336


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2 5 6


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13 17


247


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1325


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2 34


1334


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3 4


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259


13 9


255


13 13


251


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3 17


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1322


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13 26


10


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3 ii


1258


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13 6


2 5 8


13 10


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8 30


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1255


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1259


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40


325


12 43


320


1247


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1252


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3 7


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332


1236


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323


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1254


310


1259


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1230


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1243


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1248


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347


12 22


342


1227


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12 31


333


12 36


3 29


12 40


20


40


4 3


12 6


359


12 10


354


1215


3 5


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345


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12 28


40


10


4 14


11 55


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ii 59


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12 4


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434


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430


ii 39


4 25


ii 44


421


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I I O


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30


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ii 18


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ii 23


442


II 27


437


ii 32


433


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5 7


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ii 6


458


ii ii


4 54


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i 15


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445


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5 '3


1055


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627


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6 23 9 45


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614




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6 9


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9 20


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9 33


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721


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835


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836


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734


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9 24 6 36


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90




Day o
Monti


f

Jan


Feb.


March. April.


May.


June.


July. Aug. Sept. Oct


NOT. Dec.


Additional
Correction
or Sun'* -


1st t(
15th


' 4-18


" +14


' + 8"


- 8


" -13"


-14" -II" - 5" + 3"


+ ll" +17"


Altitude
only.


16th t
31st


5 + 16


+ 12


+ 4 - 4


- 11


-14


-13 - 8 -1+7


+ 14 +18



36



TABLE II. HOUR ANGLE LIMIT for EX-MERIDIAN

OBSERVATIONS.





LATITUDE.


TW




A/"t/


6


5
























10


15


20


25


30


35


40


45


50


55


60




h. m.


h. m.


h m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h, m.




70


j I 29


125


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*


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059


055


051


048


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033


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fin


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028


033


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o 58


i 6


* The limits on these lines are for the inferior meridian passage.


TW


LATITUDE,


-L/oC.


6


5




















10


15


20


25


30


35


40


45


50


55


60




h. m.


h. m.


h. m


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h. m.


h, m.


h. m.


w r


O O


o 8


o 13


18


024


028


033


038


o 42


O 46


051


o 58


1 2 4 6 7 8 9 10 11 12 13 14 15 16 17 18

Online LibraryCharles BrentEx-meridian altitude tables, declination (0 -70 ), to which is added an explanation of maximum & minimum altitude, longitude as well as latitude from two observations of a heavenly body when near and on opposite sides of the meridian. Also a solution of the new navigation method → online text (page 4 of 18)