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 3 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 3 of 18)
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90




Day of
Month.


Jan. Feb. March.


April.


May.


June.


July.


Aug.


Sept.


Oct.


Nov. Dec.


Additional (
Correction 1
for Sun's -1


1st to
15th


+ 18" +14" +8"


o"


- 8"


-13"


-14"


- n"


-5"


+ 3"


+ Il" +17"


Altitude
only. (


16th to
31st


+ 16 +12 +4


-4


- ii


-14


-13


- 8


-I


+ 7


+ 14 +18



32



TABLE I. ALTITUDE CORRECTION.





HEIGHT OF THE EYE.




Observed


14 FEET.


16 FEET.


16 FEET.


17 FEET.


18 FEET.


19 FEET.


Observed


Altitude.


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Correc-


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Correc- Correc-


Sun's
Correc-


Star's
Correc


Altitude.




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MoTh'


Jan. Feb.


March.


April.


May. June. July. Aug.


Sept.


Oct.


Nov. Dec.


Additional I
Correction
for Sun's -\


Mfr


+ 18" + 14"


+ 8"


o"


_ 8" -13" -14" -II"


-5"


+ 3"


+ 11" +17"


Altitude I
only. (


16 31 h S f


+ 16 +.2


+ 4


-4


-II -14 -13 - 8


- 1


+ 7


+ 14 +18



TABLE I. ALTITUDE CORRECTION.



33





HEIGHT OF THE EYE.




Observed




20 FEET.


21 FEET.


22 FEET.


23 FEET.


24 FEET.


25 FEET.


Observed


Altitude.


Sun's
3orrec-


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.




t


ion.


t


ion.


t


ion.


t


ion.


t


ion.


t


ion.


1


ion.


1


ion.


tion.


1


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1


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tion.






















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*







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12 40




323


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328


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322


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357


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351


12 19




345


1225


339


1231




333


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6 10




952


6 16


946


622


940


628


3 2


34


10 18


550


IO II


557


10 5


6 3


959


6 9


953


615


947


621


34


36


10 24


544


10 17


55i


10 II


557


10 5


6 3


959


6 9


953


615


36


38


10 30


538


10 23 ; 5 45


10 17




5 5 1


10 II


557


10 5


6 3


959


6 9


38


40


1034


533


10 27


540


IO 21




546


10 15


552


10 9


558


10 3


6 4


40


45


1045


522


1038


529


1032




535


1025


54i


10 19


547


10 13


553


45


5


1053


5 13


10 46




520


10 40




526


1034


532


1028




538


IO 22


544


50


55


II


5 5


1053


5 12


1047






10 41


5 2 4


1035


530


10 29


536


55


60


ii 7


458


II O




5 5


1054




5 "


10 48


5 1 7


10 42




523


10 36


529


60


65


ii 13


45i


ii 6


458


II




5 4


1054


5 10


10 48


516


10 42


522


65


70


ii 18


445


ii ii


452


I


i 5


458


1059




5 4


1053


5 10


1047


516


7o


75


ii 23


439


ii 1 6


446


11 10


45 2


ii 4


458


10 58




5 4


1052


5 10


75


80


ii 27


434


II 20


441


II 14


447


ii 8


453


II 2


459


10 56


5 5


80


85


1132


429


II 25


436


II 19


442


ii 13


448


ii 7


454


II I


5 o


85


90


ii 3 6


424


II 29


43i


II 23


437


ii 17


443


II II


449


I


i 5


455


90




$S


Jan.


Feb.


March.


April.


May.


June.


July. Aug.


Sept.


Oct. Nov. Dec.


Additional /
Correction
for Sun's J


1st to
15th


+ 18"


+ 14"


+ 8"


o"


- 8"


-13"


- 14" - 1 1"


-5"


+ 3" + Il" +17*


Altitude j
only. (


,16th to
31st


+ 16


+ 12


+ 4


-4


- II


-14


-13 - 8


-i


+ 7 -*-I4 +18



34



TABLE I. ALTITUDE CORRECTION.





HEIGHT OF THE EYE.




Observed




26 FEET.


27 FEET.


28 FEET.


29 FEET.


30 FEET.


31 FEET.


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 Star's
Correc- Correc-


Sun's
Correc-


Star's
Correc-


Altitude.




tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.


tion.













*







*









*







*







*







*






add.


subtract.


add.


subtract.


add.


subtract.


add.


subtract.


add.


subtract.


add.


subtract.




630




3 5


13 4


259


13 10


252


13 16


2 46


13 22


240


13 28


235


1333


630


40




316


1253


3 10


1259


3 3


i


3 5


257


I 3 II


251


13 17


2 46


I 3 22


40


50




3 20


1243


320


1249


3 J 4


12 55


3 8


13 I


3 2


13 7


257


13 12


50


7 o


336


1233


330


1239


3 24


12 45


3 18


1251


3 12


1257


3 7


I 3 2


7 o


10


346


12 23


340


12 29


334


1235


328


12 41


322


1247


3 17


12 52


10


20


355


12 I 4


349


12 2O


3 43


12 26


337


12 32


331


1238


326


1243


20


730


4 4


12 5


358


12 II


352


12 17


3 46


12 23


340


12 29


335


1234


730


40


4 13


II 56


4 7


12 2


4 i


12 8


355


12 14


3 49


12 2O


3 44


12 25


40


50


421


II 48


415


ii 54


4 9


12


4 3


12 6


3 57 12 12


3 52


12 17


50


8 o


429


II 4O


423


II 46


4 17


II 52


4 ii


II 58


4 5 12 4


4 O


12 9


8 o


IO


436


I


i 33


43


I


i 39




*2 4


ii 45


4 18


I


i 5 1


4 12


I


i 57


4 7


12 2


IO


20


443


II 26


437


II 3 2


431


1138


425


ii 44


4 19


II 5O


4 H


"55


20


830


450


II 19


444


II 25


438


n 31


432


ii 37


4 26


I


i 43


421


II 48


830


40


457


I I 12


451


ii 18


445


ii 24


439


u 30


433


u 36


428


II 41


4


50


5 4


I


i 5


458


ii 11




152


n 17


446


u 23


44


II 29


435


I


34


50


Q O


5 ii


10 58


5 5


ii 4


459


II 10


453


ii 16


4 47


II 22


443


II 26


9 o


20


523


1045


5 17


10 51


5 ii


10 57


5 5


i


i 3


459


ii 9


455


II 13


20


40


534


1034


528


1040




522


10 46


516


10 52


5 ii


1057


5 6


II 2


40


10


5 44


10 24


538


1030


533


1036


527


10 42


522


1047


5 1 7


10 52


IO O


20


5 54


10 14


548


IO 2O


543


10 26


537


10 32


532


1037


5 27


10 42


20


40


6 4


10 4


558


10 10




553


10 16


547


10 22


542


10 27


537


1032


40


II




5 13


955


6 7


10 I


6 2


10 7


556


10 13


5 5 1


10 18


546


1023


II O


3


625


943


6 19


949


6 14


9 55


6 8


10 I


6 3


10 6


558


IO II


30


12


637


93i


631


937


626


943


6 20


949


615


955


6 10


959


12 O


1230


647


921


6 41


9 27


636


933


630


939


625


945


6 20


948


1230


13 o


657


9 ii


651


9 17


646


923


6 40


929


635


935


6 30


938


13 o


30


7 6


9 2


7 o


9 8


655


9 14


649


9 20


644


925


639


929


30


14 o


7 15




553


7 9


859




7 4




? 4


658


9 10


653


9 16


648


9 20


14 o


15


732


836


726


842




7 19


-


3 48


7 13


854


7 8


Q O


7 4


9 5


15


IO


746




23


740


8 29


733




335


727


841


722


847


718


J


*5i


16


17




758


8 10


752


8 16




745


822


739




328


734


834


730


838


17


18




8 9


8 o


8 3


8 6




756


8 12


7 5


8 18


745




3 24


74i


827


18


i9


8 19




750


813


756


8~7


8 2


8 i


8 8


755




5 14




J


*I7


1 9


20




828




7 41


822


747




3i6


753


8 10


759


8 4




3 4


8 o


8 8


20


22


844




7 24


838


7 30


832


736


826


742


821


747


815


'


r 53


22


24




57


7 ii


851


7 17


845


723


839




7 29


834




734


828


'


7 40


24


26


9 8




j O


9 2


7 6




3 5 6


7 12


850




7i8


845




723


839


729


26


28


9 18


6 50


9 12


656


9 '6


7 2


Q O




7 8






7 13


849


'


7 19


28


30


9 26


6 42


9 20


648


9 14


6 54


9 8


7 o


9 2




7 5


857


!


7 10


30


32


934


634


928


6 40


9 22


646


9 16


652


9 ii


657


9 5


7 3


32


34


941


627


935


633


929


639


923


645


918





350


9 ll


656


34


36


947


621


94i


627


935


633


929


639


924


644


917


6 50


36


38


953


615


947


621


941


627


935


633


93


638


923


644


38


40


957


6 10


9 5i


6 16


945


622


939


628


934


633


927


639


40


45


10 7


559


IO I


6 5


955


6 u


949


617


944


6 22


938


628


45


50


10 16


550


10 10




556


10 4


6 2


958


6 8


953


613


947


6 19


50


55


10 23




542


10 17




548


IO II




554


10 5


6 o


IO O


6 5


954


6 u


55


60


10 30


535


10 24




5 4 1


10 18




547


10 12


553


10 7




55*


10 I


6 4


60


65


1036


528


1030


534


10 24


5 40


10 18


546


10 13


5 5 l


10 7


557


65


70


10 41


5 22


1035




528


10 29


5 34


10 23




540


10 18


545


IO 12


55i


70


75


10 46




5.6


10 40




522


034




528


10 28




5 34


10 23


539


10 17


545


75


80


1 3 5 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 3 of 18)