Table VI. ( b ).—Fourier Coefficients of the Lunar Diurnal Magnetic Variation, Reduced to New Moon, at the Equinoxes. 
116 
DR, S. CHAPMAN ON THE SOLAR AND LUNAR 
"d 
© 
-t-i 
r-O 
© 
7S 
O 
CM ^ CM i- CC 
rH rH rH 
1 1 1 1 
O 00 C* O CM 
fill 
O O 0 o »h o 
H Cl CO Cl H 
1 1 1 1 
CO X co ^H o 
r-H •—H 
1 1 1 1 
13 
Observed. 
a> h h o cm 
r-H 
i i 
o co go co i- 
H Cl Tt OJ (M 
1 1 1 
H- co O <Ji ^ 
H d 50 
1 ( I 
CO H <M CC O 
,7,7 
Calculated. 
CO CO CO CO lO 
CM CM CM rH 
I 
CO t— c* co 
N^TtCMH 
1 
rj- 00 r— J>. CO 
rH 
1 
O « (M tl H 
1 
1 
Observed. 
o -h co co oo 
r-' r— 1 <M <M t—1 
! 
^ © lO Cl co 
H (M H 
1 
h COt>(MO 
1 
Tt Cl o ^ 50 1 
1 - 1 
r-C> 
Calculated. 
O oi o o 
^ 00 05 
1 1 i 
(MOO 
00 "rf CM O CO 
r—4 i“* 
1 1 1 
H h CO (M 00 
CO CO O 
1 1 1 
r- O O O X 
1 ! 
1 
J Observed. 
a 
5 
H 
u 
O CO CO GO to 
'f to CO Cl w 
1 ' 1 
. 
a 
H 
CD 
EH 
00 o oo co co 
^NtMlOlO 
1 1 
a 
H 
co O co h ^ 
oiocociH 
1 1 
c* 
H 
£ 
<u 
H 
O W H d H 
CM H <M 
1 
o 
Calculated. 
P 
o 
-C 
1 
H 
CO 
<D 
r-H O' C-H r-H r-H 
I 1 1 
p 
o 
,H 
<N 
rH 
!U 
H CM 00 O 
1 1 
P 
J 
i 
00 
<D 
cc 
CM Cl o Cl CO 
1 1 
p 
o 
|H 
1 
to 
W C tl o ® 
1 1 
"d 
© 
> 
?h 
© 
CO 
o 
H 
r—1 
h CO O CM 
r-H CO r*H i— ( 
1 III 
Eh 
fi a o to io 
C0 -H IQ 
1 1 1 
rH CO O rH U'- 
rH 
1 
H 
ot>o®o ; 
1—1 1—1 ^ 
1 III 
r© 
•d 
© 
© 
73 
Q 
rH rH rH <0 O’ 
l l 1 
05 O C5 O Cl 
r-H 
i 
Cl CO ^ (M h 
1 
H’CiHQO^ 
III! 
H> 
CO 
© 
Observed. 
io o ci a to 
CO HI CO 03 i—i 
1 1 1 
a o oo a o 
C0 CM 
1 1 
h CO O’ O’ 
co ci h 
II II 
O 00 rH rH tH 
rH rH 
1 1 1 1 1 
<3 
1 
Calculated. 
00 <M CO O r-H 
00 lO CM rH 
I 
X lO O © C5 
rH co CM O <M 
rH i— h. rH 
l 
. rH H Tf* O 
^ Cl 
1 
CO o o 00 co 
H CO cc Cl H 
1 
Observed. 
H 05 N O Cl 
t' IO ic to H 
I 
H Cl Cl o •+ 
CO to O rH O 
rH rH 
1 
CO *— O rH t'- 
h -v x r- cm 
1 
H O O O O ’ 
I—l <M CO tM CC 
» 1 
No. of 
observa¬ 
tory. 
I—i <01 CO H >0 
rH Cl CO r-f* O 
H Cl CO Tt 50 
t—l <M CO H O ( 
: J 
