Page:A Voyage to Terra Australis Volume 1.djvu/488

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262

[South Coast.

APPENDIX.

TABLE I. (Reference from p. 69.)

Longitude of the Observatory in Princess Royal Harbour, King George's Sound.

Appt. Greenwich time of the observations.		Place.	Longit. E. from Naut. Alm.			Reduction by two time keepers.			E. Longitude of the Observatory.			Correction			Correct Longit. of the Observatory.			Whence deduced.	Observer.
Appt. Greenwich time of the observations.		Place.	Longit. E. from Naut. Alm.			Reduction by two time keepers.			E. Longitude of the Observatory.			for errors in tables		Interv. of ☾'s error.	Correct Longit. of the Observatory.			Whence deduced.	Observer.
1801 Nov.⁠			º	'	"	º	'	"	º	'	"	'	"		º	'	"
º ' 28 at 17 30	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	At sea. —	90 91	56 6	0 15	+27	20 —	49	118 118	16 27	49 4	−29 —	45	One day —	117 117	47 57	4 19	ʘ E. ☾ —	C —
29 at 17 50	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— —	95 95	50 47	45 45	+22	39 —	7	118 118	29 26	52 52	−29 —	0	Two days —	118 117	0 57	52 52	Ditto. —	— —
30 at 17 23		—	97	51	0	+20	20	18	118	11	18	−29	30	—	117	42	48	—	F
December.⁠ º ' 11 at 17 24	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \ \end{matrix}}\right.}$	Anchorage in Princess Royal Harbour.	118 118 118 118 118	4 4 7 9 1	30 30 30 45 0				118 118 118 118 118	4 4 7 9 1	30 30 30 45 0	−5 — — — —	30	One day — — — —	117 117 118 118 117	59 59 2 4 55	0 0 0 15 30	ʘ W. ☾ — — — —	C — F — —
12 at 21 47	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \ \end{matrix}}\right.}$	At Observatory. — — —	117 117 117 117 117	56 59 55 54 58	45 15 45 30 45				117 117 117 117 117	56 59 55 54 58	45 15 45 30 45	−9 — — — —	30	One day — — — —	117 117 117 117 117	47 49 45 44 49	15 45 15 0 15	Ditto. — — — —	C — F — —
31 at 13 32	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right.}$	Ditto. — — — — — — — — —	118 118 117 117 117 117 118 118 117 117	2 6 58 56 55 8 4 50 52 51	45 30 0 45 0 0 30 0 30 0				118 118 117 117 117 117 118 118 117 117	2 6 58 56 55 8 4 50 52 51	45 30 0 45 0 0 30 0 30 0	−18 — — — — — — — — —	0	One day — — — — — — — — —	117 117 117 117 117 117 117 117 117 117	47 53 45 43 42 55 51 37 39 38	45 30 0 45 0 0 30 0 30 0	ʘ E. ☾ — — — — — — — — —	C — F — — C — F — —
1802 Jan.⁠ º ' 11 at 17 56	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \ \end{matrix}}\right.}$	On shore at Lucky Bay. — — — —	122 122 122 122 122 122	30 29 33 34 38 41	45 30 15 45 45 15	−4	22 — — — — —	38	118 118 118 118 118 118	8 6 10 12 16 18	7 52 37 7 7 37	−6 — — — — —	15	One day — — — — —	118 118 118 118 118 118	1 0 4 5 9 12	52 37 22 52 52 22	ʘ W. ☾ — — — — —	C — — — — —
Longitude from thirty-one sets of lunar distances,			$\scriptstyle {\left.{\begin{matrix}\ \\\ \end{matrix}}\right\}\,}$	Uncorrected		118	5	41,8	Corrected						117	53	9,9	and taken

From observations east of the moon alone	–	117	48'	3,7"
west of the moon alone	–	117	57'	57"
	Mean	117	58'	0,3"	east

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