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104
MAGNETIC OBSERVATIONS.
[Chap. V.
1840
we had pursued, and beyond what it was possible to follow at this time of the year.
Observations on the Magnetic Force, Dip, and Variation, on board H.M.S. Erebus, during her Passage from Christmas Harbour, Kerguelen Island, to Hobart-town, Van Diemen Land.
Date. | Lat. | Log. | Intensity. | Dip. | Variation. | Remarks. |
° ′ | ° ′ | ° ′ | ||||
June | 48.41 | 68.54 | 1.465 | 69.596 | 30.34 W. | Christmas Harbour. |
July 22 | 48.29 | 76.55 | 1.539 | 70.55 | — | |
23 | 48.17 | 80.15 | 1.574 | 71.50 | — | |
24 | 47.55 | 83.31 | 1.601 | 72.34 | — | |
25 | 47.46 | 86.18 | 1.575 | 73.33 | — | |
26 | 47.12 | 89.45 | 1.565 | 73.35 | — | |
27 | 47.3 | 93.0 | 1.712 | 74.37 | 27.39 W. | |
28 | 47.13 | 97.7 | 1.712 | too much | motion | |
30 | 47.39 | 102.42 | 1.855 | 74.28 | — | |
31 | 47.35 | 106.26 | 1.863 | 74.31 | 21.39 W. | |
Aug. 1 | 47.45 | 110.39 | 1.815 | 75.8 | — | |
2 | 47.34 | 114.15 | 1.970 | 75.26 | 14.47 W. | |
4 | 47.41 | 121.30 | 1.992 | 76.4 | 12.50 | |
5 | 47.34 | 124.43 | 1.996 | 76.40 | — | |
6 | 46.44 | 128.26 | 2.034 | 75.41 | — | |
7 | 46.13 | 132.0 | 1.980 | 75.17 | 2.41 W. | |
8 | 45.59 | 135.38 | 1.989 | 73.48 | 0.55 E. | |
9 | 45.17 | 139.19 | 2.005 | 73.23 | 4.26 | |
10 | 44.24 | 141.39 | 1.976 | 72.37 | 5.56 | |
11 | 44.16 | 142.38 | 1.934 | 73.3 | 11.38 | |
Hobart-town, Van Diemen's Land. | ||||||
42.52 | 147.27 | 1.824 | 70.40 | 10.24 |