6 RESULTS OF MAKERSTOUN OBSERVATIONS, 1845. 
TABLE IX.—Variations of Magnetic Declination with reference to the Moon’s Hour-Angle for each 
Lunation, for the Six Summer and Seven Winter Lunations, and for the whole Thirteen Luna- 
tions of 1845. 
LUNATIONS. 
Moon’s || _ 2 — 
Hour- | | | : se 
Angle.|| 1st. | 2a. | sa. | 4th. | sth. | 6th. | 7th. | sth. | oth. | 1oth,| 12th. | 12th. | igen. || Sum || Win- | year, 
= 
Coanaukwnro*’ 
2.03| 0-72) 1-18| 0-96 
2.60| 0-75 | 0-58 | 
2.05| 1-02] 1-93| 1-23 | 
0:79| 0-89 | 1.02 
1-07 
1.66 
TABLE X.—Differences of the Hourly Means of Westerly Declination, as deduced from the whole 
Series, and the Seven-Day Series selected in each Month; or Table V. ménus Table VIII. 
Jan. Feb. | March.| April. | May. | June. | July. | Aug. | Sept. Oct. Nov. Dec. Year. 
12 ||\—1-60|—1-30 |—1-17 |+0-01 | — 1-53 | — 0-48 | —0-50 | — 1-32 | — 1-16 |— 1-97 | — 0-64 | — 0-98 || — 1-06 
13. ||—1-19 }—1-29 |— 0-85 | — 0-92 | — 1-72 | — 0-93 | — 0-93 | — 1.24 | — 1-62 |— 0-89 | —0-29 |— 1-11 | — 1-08 
14 —1:72|—0-88 |+4+0-54|—2-77|— 1-02 |—0-61 | —0-74|+ 0-05 | — 0-59 |— 1-35 + 0-43 |— 0-42 | — 0-76 
15 ||—1-67}+0-05 | —0-13 |—0-79 |—0-80|—0-14}+0-79| 0-00 |—0-62|—0-52|—0-19 |—0-33 || —0-36 
16 ||—0-58|+0-20 |—1-04}+1-32|—1-01 | —0-36 |+ 0-67 |— 1-05 | + 0-03 | — 0-08 | — 0-43 | + 0-70 || —0-13 
17. |\+0-09 | —0-23 | +0-10 |4+0-87 | — 0-72 | —0-30 | 4+ 1-15 | —0-16 | + 0-42 |+0-51 | —0-49 | — 0-28 | + 0-08 
18 /+1-25/+0-37|+40-03 |+0-44 | —0-66 | —0-12|+4 1-01 |+0-39 | + 1-98 | + 0-70 |+0-37 |+0-47 | +0-51 
19 |+1-59|/+0-29| 0-00)+0-64 |—0-16|+0-44 |+ 0-43 |+ 1-45 | + 1-65 |+ 0-66 | 4+-0-56 | + 0-64 | + 0-68 
20 |+1-49|+0-56|+0-36')+0-35 |+0-63 |4 0-79 | + 0-46 |+ 2-59 | + 2-60 |+0-41 | + 0-87 |+0-82 | + 1-00 
21 | 4+1-40|40-82|+ 0-69) 40-78 | + 0-59 |-+1-05 | 4+ 0-37 |-+ 1-75 | + 1-94 |+0-59 | + 1-28 | 40-98 | + 1-02 
22 | 4+1-25|+0-73 |+0-91 |+0-79)+0-88 |+0-83 | 4 0-16 |+0-37 + 1-43 |+ 0-24 |+0-90 |+ 1-06 | +0-79 
23 | +0-61|+1-38 |+ 1-07 | 40-46 |+0-98 |+ 0-71 | — 0-25 | +. 0-58 | + 0-79 |+ 0-57 |+ 0-36 |+ 0-99 | + 0-68 
0 |+1-49|/+1-53}+1-18 |4+0-19|+1-38 |+0-24 | — 0.27 |+0-58 | + 0-77 | + 0-56 | + 0-95 |+ 1-01 | + 0-80 
1 | +1-50|+1-64)+ 1-64 |+0-07 | + 1-52 |+ 0-20 | — 0-22 | + 0-66 | + 0-49 |+ 0-76 |+ 1-10 |+ 1-17 | +0-88 
2 |41-46)4+1-33 |+ 1-37 |+ 0-41 |+4+1-89 |+ 0-16 |+0-51 |+0-55 |+ 1-06 + 1-35 |4+ 1-48 |+0-64 | + 1-01 
3 | +1-04|+0-55 | + 1-33 |+0-04 + 1-23 |— 0-40 |4+.0-63 |+ 0-66 |+0-72|+ 1-03 |+1-10|+1-12]+0-75 
4 |+4+1-07|+0-96 |+ 1-09 |+0-08 |+ 1-10 |— 0-02 |+ 0-29 |+ 1-01 | — 0-06 |+0-90 + 0-28 |+ 0-70 || +0-62 
5 |—0-08 |— 0-09 | — 0-36 |— 0-34 |+0-37 | + 0-28 |— 0-45 |+0-78 | — 0-26 |+ 0-09 | — 0-26 | — 0.46 || — 0-07 
6 |+0-18 —1-42|—1-59|—0-58 |+0-12|—0-01 |—0-68 | — 0-93 | — 1-27 |+0-78 | — 0-08 |— 1-19 || —0-56 
7 | —1-20|—1-32|—1-06 |—0-85 | —0-11 |— 0-19 | —0-42 | — 0-67 | — 1-28 + 0-87 | — 1-27 |— 0-92 || —0-70 
8 
9 
10 
ll 
— 1-07 |— 1-37 | — 0-80 | — 0-64 | —0-53 | — 0-02 | —0.89 | — 0-63 | — 2-33 |+ 0-17 |—1-22|—1-39 | —0-89 
| — 1-48 |—1-04|— 1-72 |—0-24|—1-09 |—0-31 | —0-76 | — 1-85 | — 1-62 | — 1-37 | —1-09 — 0-87 | — 1-12 
— 1-54 |—0-84 | — 1-22 | +0-08 | — 0-47 | —0-49 — 0-11 | —2-32|—1-41 — 1-84 | — 2-53 |—0-93 || — 1-13 
— 2.37 | — 0-78 | — 0-44 | 4 0-52 | — 0-82 | — 0-36 | —0-34 | — 1-20 | — 1-68 — 2-35 |— 1-23 | — 1-32] — 1-03 
