206 S. W. Burnham—Seventh Catalogue of New Double Stars. 
R. A. | Deel. 
No.| Designation. 1880. 1890. | Pos. | Dist.| Mags, 
hm °s ° ° a 
417 L 32929 17 52 13/439 27/270-4| 1°5+/8-0___95 
8|+64 262404110" +(85..11°5 
— 7 55] 40°41 1:54:/8°0...9°5 
420| W®XVIIL. 722) |18 25 53/437 61280°+| 15 +/85..10°0 
AandB t 
i 
es 
Ce) 
_ 
oo 
bo 
or 
> bo 
bo 
AandC 200°+/20° +] 11°0 
421) W°XVIII. 1452) |18 48 3/443 15/270-+| 1- +/8°5._.9°0 
A and B } 
A and 230°+/30° + 9:0 
422) Ol. Arg 19281 {19 7% 34/—18 16) 50°+] 8 +/85_.115 
423} O!. Arg 19560 [19 20 17/—29 ar +1] 1°24/8°0._.8° 
42 he 6 9 23 5/4+35 49) 60°+| 2°54+/8°5_.10°0 
425 L3 9 52 15)4+19 58 eat 1°33 |8°5._.8°7 
426 O% Arg 19938 [19 59 13/+54 18140°+/ 6 +[8-0..10°0 
427| O% Arg 19952 {19 59 28'+54 20160°+/ 3- +/8.0..10°0 
428) Arg(12°)4226 |20 1 7/+12 36/346-4 | 0°52 |7-2__.8-0 
429 LS at 10-1 27/435 27) 80-4! 7 +/7°5-.115 
dB 
A and 301°0 |10°79 | 100 
A and D 90° + |25- 11-0 
AandE 28°2 36°52 9:0 
430) Arg (35°) “ed 20 6 48|+35 28] 30°-+] 1° + ae 
A and B 
A, B and C 55°1 |20° + 95 
=H 1489 
431; W°XX.530 (20 15 25'+35 53:240°+)| 0°5 (8°0---8°5 
432 W°XX. 698 20 20 13/+35 23/220°+/| 1°2 |8°0--10°0 
433) Arg (50°) 2399 ) (20 23 36/455 55/220°+| 6° +/9°0--110 
AandB 
AandC 250°+/20° +] 105 
434) W°XX. 941 (20 28 4/+41 27/100-+| 1-24/8°5..-9°0 
435, 39867 20 33 14) +14 35)112°5 | 2°95 |8-0.-110 
| 436) O*. Arg. 23612 [22 6 44/457 21/340°+| 15°+|8°0-.108 | 
417. In the field with alge 
419. Found in looking for one of Herschel’s suspected pairs, H 5496. 
425. Measured by De mbowski Vipelsh « oat has aetna: a very minute com 
ars about 10’ feliattig: Ye failed to a 
. In the same field with No. 49%, the two forming with a third 8™ star 
ona 
428, Close and difficult, The wide —. of small stars in the field is Ht — 
The large star is — strangely wanting in all the other Star Catalogues I have 
spe to. Measures by Dem ae! ski, “ed eg shy miner 73). IIL 113= 
The i ad D are , © and E make UL did 
= 26 rej. = Sh 314. res with Horechal’s n in tens (1783°7). In a splen 
° ” 
430. As a wide pair this is H 1489, entered by Herschel, 236°'3 : 19 sei = 
10..10. There is probably an error of 180° in his angle, as the yf eptr’ 
rgest, an Argelander who noted the magnitudes as pier 
9°5. By arough measure I found 55°°1, showing no material change has 
aro ial diffi- 
since 1828. From the faintness of the components, the close pair is @ Ver 
ya i nditions. 
435. About 26" 7 B Delphint gg ate by Dembowski (1875°76). 
Chicago, July’27, 1876. 
ete Wen ee Neb ye ele ae : aS) 
SRN Sowers. IY Sg eae ag ene he eta IY pegs ee he’ A ee ls Seer he eee gr ae ee 
