Page:A Voyage to Terra Australis Volume 2.djvu/524

 

TABLE IX. (Reference from p. 417.)

Longitude of the Garden Prison, 1′ N.E. from Port Louis—Mauritius.

Appt. Greenwich time of the observation.		Place.	E. Longit. of the Prison from Nt. Alm.			Correction.		Corr. Longit. of the Prison.			Whence deduced.	Observer.
						for errors of tables	Interv. of ☽'s error.
1804 April			°	′	″	′ ″		°	′	″
20 at  5ʰ 30′ 5  52		In the Prison.	57 57	51 32	15 15	−16 45 —	Err. taken as obs. on 20	57 57	34 15	30 30	* Spic. Vir east of ☾ * Pollux west of ☾	C —
21 at  4 58	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \ \end{matrix}}\right.}$	— — — —	57 57 58 57	42 43  5 56	15 15 30 45	−17  0 — — —	Ditto, there being no other until May 1. —	57 57 57 57	25 26 48 39	15 15 30 45	* Regul. west ☾ * Antar. east ☾	— — — —
June  15 at  2ʰ 51′	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— — —	57 58 57	50  3 58	15  0 30	−23 45 — —	As obs. on 15. —	57 57 57	26 39 34	30 15 45	— — —	— — —
— 3 10	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— — —	57 57 57	57 54 51	30 15  0	— — —	— — —	57 57 57	33 30 27	45 30 15	* Regul. west ☾ —	— — —
1805 March 12 at  5ʰ 16′	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— — —	57 57 57	46 39 31	15 15 30	−17 30 — —	As obs. on the 12th. —	57 57 57	28 21 14	45 45  0	* Aldeb. west ☾ —	— — —
5 28	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— — —	57 57 57	47 46 50	30  0  0	−17 15 — —	— — —	57 57 57	30 28 32	15 45 45	* Spic. Vir. east ☾ —	— — —
April.  20 at 17ʰ 32′	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \ \end{matrix}}\right.}$	— — — — — —	57 57 57 57 57 57	53 53 55 54 53 53	15 15  0  0 45  0	−14 15 — — — — —	Three days. — — — — —	57 57 57 57 57 57	39 39 40 39 39 38	0  0 45 45 30 45	☉ east ☾ — — — — —	— — — — — —
May  5 at 23ʰ 36′	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	— — —	57 57 57	49 33 32	0 15  0	−20  0 — —	As obs. on the 5th. —	57 57 57	29 13 12	0 15  0	☉ west ☾ — —	— — —
Mean of 27 sets, uncor.			57	48	59,4		Corrected	57	30	42,2	and taken

 

			°	′	″
From observations	east of the moon alone	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	56	36	47
	west of the moon alone	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	57	23	6,2
		Mean	57	29	56,6	east.