A Journal of a Voyage to the South Seas, in His Majesty's Ship, the Endeavour/Observation of the transit of Venus

From Wikisource
Jump to navigation Jump to search

Observation of the transit of Venus[edit]

CALCULATION of the TRANSIT.

8 no Error.
Sun's Meridian Altitude on the 2d of June 50 7
3d ditto 49 59
June the 3d, 1769 Error of 16
H. M. S. Sun's Altitude before the first external Contact. D. M. | H. M. S. Sun's Altitude. D. M.
8 48 9 First Set. 28 42 | 2 45 18 First Set. 32 47
50 10 29 5 | 46 31 32 34
51 41 29 21 | 47 35 32 22
8 53 19 Second Set. 29 36 | 2 48 39 Second Set. 32 12
55 7 29 57 | 49 44 31 56
56 19 30 13 | 50 33 31 49
8 57 36 Third Set. 30 27 | 2 51 33 Third Set. 31 39
58 37 30 37 | 52 28 31 29
59 44 30 47 | 53 35 31 16
Before the first Internal Contact. | Before the second external contact.
9 25 48 First Set. 35 20 | 3 13 39 First Set. 27 35
27 46 35 34 | 14 36 27 24
28 23 35 47 | 15 35 17 14
9 29 15 Second Set. 35 55 | 3 16 33 Second Set. 27 3
29 46 36 2 | 7 25 26 53
30 29 36 9 | 18 19 26 43
9 31 13 Third Set. 36 13 | 3 19 14 Third Set. 26 34
32 4 36 23 | 20 14 26 21
32 43 36 29 | 21 1 26 12
After the first Internal Contact. | After the second external contact.
9 42 56 First Set. 38 9 | 3 32 3 24 5
43 52 38 25 | 33 14 23 51
45 25 38 31 | 34 32 23 36
9 46 32 Second Set. 38 42 | 3 35 31 Second Set. 23 25
47 59 38 54 | 36 33 23 11
49 27 39 8 | 37 30 23
9 50 27 Third Set. 39 17 | 3 38 29 Third Set. 22 55
51 9 39 25 | 39 58 22 31
52 6 39 32 | 41 5 22 21


' '' ''' | Altitude in the Morning.
2d internal Contact 0 23 10 |
1st external | Time H. M. S. D. M.
1st internal 0 39 30 | 7 42 29 Sun's Altitude 15 51
2d ditto 3 10 57 | 0 45 26 16 25
2d external 3 29 58 | 0 46 38 16 40