54 
MR. RUMKER’S OBSERVATIONS 
Comets. 
A. The Comet of Encke in 1822. 
By the assistance of Professor Encke’s Ephemeris of this Comet, I was en- 
abled to re-discover it on the 22nd of June 1822, and shall now give my ob- 
servations thereof more correctly reduced than they were transmitted by me 
at first for insertion in Professor Schumacher’s Astronomische Nachrichten. 
1822. 
Sidereal Time at 
Paramatta. 
Difference of Right 
Ascension. 
Comet North 
or South of 
Star. 
1822. 
Sidereal Time 
at Paramatta. 
Difference of 
Right Ascension. 
Comet N. 
or S. of 
Star. 
June 2 
h m s 
10 39 25 
m s 
a -0 8.11 
P 
9.65 S. 
June 14 
h m s 
11 25 
11 47 14 | 
11 55 | 
12 4 
m s 
u + 1 2 
y +0 43 
v +0 25.8 
x +0 33.57 
w +1 50.7 
w 
P 
17-945 N. 
0.049 N. 
5.44 N. 
15.837 S. 
16.61 S. 
3 
11 
b +0 18.0 
10.86 S. 
4 
11 3 
c +0 50.0 
14.543 S. 
5 
11 8 
11 25 
d +0 32.8 
d 
5.345 N. 
4.9 N. 
15 
11 40 48 | 
12 3 27 
i3 +1 58.7 
y +1 53.8 
$ — 24.0 
6.038 S. 
6.172 N. 
17.34 N. 
6 
11 7 38.1 
e +3 17-75 
5.205 N. 
7 
11 3 10 
11 33 
11 33 
f +0 43.35 
1 £ Gem. —3 26.0 
g — 4 46 
18.678 N. 
2.965 N. 
19 
11 51 20 
12 2 19 
12 15 43 
12 21 6 
12 33 41 
12 47 0 
£ — 45.07 
£ 
s - 39.36 
£ 
£ — 36.4 
£ 
2.847 N. 
2.105 N. 
0.79 N. 
8 
11 17 25 
11 17 25 
32 Gem. — 1 41 
g — 1 3.6 
19-224 S. 
30.529 S. 
9 
11 
Anon. —0 9 
Anon. +0 48 
8.245 S. 
12.0 N. 
20 
12 16 53 | 
12 22 46 
12 31 36 
K 6.42 
V -2 12.5 
K 
V 
15.02 S. 
27.04 S. 
10 
11 20 
11 20 
11 20 
i —0 30 
k —1 44 
1 —1 54 
— 26.714 S. 
16.674 S. 
21 
12 8 27 
12 10 36 
0 -f 31.555 
0 
0.675 S. 
11 
r 
11 24 39 <j^ 
m —0 40.6 
n —0 47-17 
o —1 11.5 
-18.491 N. 
25.681 N. 
22 
13 18 46 
t - 23.5 
2.0 S. 
23 
12 51 36 
12 52 38 
12 56 8 
12 57 30 
13 1 30 
13 14 30 
A + 20.75 
y. +1 32.44 
K 
fj. 14.5 
A 
23.132 S. 
12.101 S. 
0.533 N. 
12 
11 40 | 
p +0 8.28 
q +0 32.89 
-f 24.664 N. 
41.334 N. 
13 
11 37 45 
11 40 32 
11 47 56 
r —0 42.22 
s —0 11.70 
t +3 15.5 
0.03 N. 
9.46 S. 
24.364 S. 
The compared fixed Stars have been designated in their order in the Latin 
and Greek alphabets. + means that the Comet had more, — that it had less 
right ascension than the Star ; e is P. VI. 144 ; g is 2 g Geminorum ; k, p. 312, 
Hist. Cel. ; 1 is 90 Geminorum Bode. The differences of declination are given 
in parts of the Micrometer, one part of which is = 65".518. 
