Burnham: Measures of Proper Motion Stars 
The apparent change is very small, and later measures should 
be made. It is not likely that the faint star is moving with the 
others. The value of the proper motion is somewhat uncertain : 
Auwers 0:076 in 296:4 
Boss 0.037 in 270.0 
The principal star has no sensible proper motion: 
Groombridge o'.'on in 218:0 
The three stars are relatively fixed. 
1880.52 122:73 128:84 2n B 1 
3418. 2916. (8.5...9.8) 
R. A. 6 h 24 m 2 s Decl. + 56° 44' 
A and C (9.6) 
1908.882 338?18 
•884 337-21 
.898 338.40 
55:8o 
56.32 
56.15 
1908.89 
337-93 
56.09 
Change doubtful. 
1880.48 336?30 
56 (T 7 
2n B 1 
3422. 
02 
143 - (6.8. 
.. 9 - 9 ) 
R. A. 6 h 
24 m 12 9 Deck + 17 0 1' 
A and C (11.5) 
I 9 H -775 
342^83 
42:56 
.796 
342.92 
42.70 
.835 
342-93 
42.38 
1911.80 
342.89 
42-55 
For the 
proper motion of 
the principal star. This has been 
given: 
A. G. 
Ber. 
0:089 i n 
191?! 
3423 . Aurigae 229. 2 918. 
(6.7...7.7) 
R. A. 6 h 24™ 21 s 
Deck + 52 0 33' 
B and C (10.0) 
1908.884 
26:87 
I3S:8o 
.898 
26.85 
135.62 
.900 
26.95 
135-93 
1908.89 
26.89 
135-78 
Further measures are needed to correct the proper motion 
of A: 
1880.48 27?i8 
133:75 
2n B 1 
The proper motion of A is given: 
A. G. Harv. 
0:033 in 
270:0 
3449 . 
2 928. (7-4-. 
.8.0) 
R. A. 6 h 26™ 26 s Deck + 38° 38' 
B and C (n.o) 
1910.701 
122:93 
128:94 
.720 
123.13 
128.00 
• 739 
122.60 
128.23 
1910.72 
122.89 
128.39 
3450. 2922. (7.2...11.0) 
R. A. 6 " 26 ra 33 s Deck + 64° 50' 
A and B 
1912.066 
135:6 
10:58 
A and C (10.5) 
1912.066 
5:4 
25:46 
From the measures of AC by 2 , A, and (3 (1831-1912) we 
have for the proper motion of the principal star: 
o"o22 in 323?7 
B appears to be moving at about the same rate and direction. 
They may make a system of the 61 Cygni type. 
3490. 2941. (7.0...8.0) 
R. A. 6 h 30 m n s Deck+ 4i°4i' 
A and C (10.4) 
1909.703 133:82 82:76 
• 744 133-95 83.02 
.821 I33-63 83.19 
1909.76 133.80 82.99 
From the Astrographic Catalogue we have: 
1894.95 ! 34°3 82:56 Donner 
This is doubtless the star observed as Sh 367, and given with 
a large error in the distance. 
3500. Ho 515. (8.0...12.2) 
R. A. 6 h 30 ra 58 s Deck + 9° 14' 
A and B 
1909.706 251?i io"o5 
.838 252.0 10.67 
.936 250.6 10.29 
1909.83 251.2 10.34 
A and C (13.6) 
1909.838 I03?5 I3- , o6 
C has not been previously seen; a third faint star more 
distant. The principal star was wrongly identified by Hough. 
It should be DM (9 0 ) 1306 instead of 1281. The place is sub¬ 
stantially correct. 
About 30' distant, sf Ho 515 is the curious object, h 399, 
which has a well-defined nucleus, with a comet-like tail, spread 
out like a fan in the direction of 70°. 
h 399 and DM (8°) 1418 
1909.838 37-9 I 4 o"S 7 
.936 38^3_ 141-24 
38.1 141.06 
145 
1909.89 
