.1. PROG 



IN 1091 







m between January and Airil that the 



i.-.-r [fa - --f r. ' MI, .. .. . ._ 



ics obtained, it was found thai there was a 



o ve|oeilir% ai.l 



/ . ..-..-.;. : - 



ho i*rl>i(al HHTiJtriii OF 



,:f I.-M-U I.Atebtt* 



ftXIsrofery and Orbit of sirln*.-ThU. the 



. 



' 



ami t 



U "*-, t T- - - 



, 



;!,. f ;i 



periodical 



that all line* on tlu> photographic plat.- will appear 



l-P-ach ni 



us the lines will appear hazy, 

 f the stars 



displaced toward ' nnd tho* 



Tbots 



lines, tiring photographed at short intervals, pro- 

 ascertain 



! til-! it;.; "f t': littOl I* i' f T !!, nsSSMUMI ' 



r*otoW - < '..;.r. .,1.1 1-; batsja* 



.. BjpJbked. 1- " .v-. ..f M.I >-. rj.n 't . ir x,-l i- 

 ties in all pmbaliility Amount to several hundred 





inwper nyrtjim, it was fc ** 



hither by 



an unssen companion, and a period vas r^trralan 

 for it of about fortv-*ii;! <*ire the 



|*r were walrl. 



lth A* too short from which to deduce even an 

 MBMrfftMh rr.r. sj i tttl - ilti . 



MM years. The last vi. -mrnafrrn wa* 



obtained by Burnham in !->.;. the W-inch trie- 



scope at the Li 



" - r.! .... i f . B/M Intl r i .... 



a half it wa* t*yond the res* h of any teJescof- 

 the laitrr ,*rt of 1866 Prat Aitkn, 



:coverad it. The arc pass*! 

 r,.m,,mon during its inrt, 



> -nifle when discovert*! by < Urk t. 



J motion, from < 



period was computed by Bumhain. who m 

 Al-Myean. Thea|iirrnt orbH b given in -Mcothly 



l7.as: 1 

 length of minor axis, ft-:; to c 



a.ir M.-J.MH ; period, ',1 - S] BJ 



hat the binary 



distance 



n..| l:..retof.,n- IN-.-H u.|^t-l t.. I. . 



short periotl binary, but it j^ari from lr 



.im that I, n-v..!utK>o has beso OUSA- 



. 



IllBarlr*.- Th, .li^.rrry ,,f 

 imiin.l MIII. mi- 1 the computation 

 *n<l prru. 



omers a resistless charm. New once art- constant ly 

 the lonf list '40 known 



y stars. In il> 



' 



!i yrar*: then came 

 Kia r..n.ii-. wilh a fieri.. M-arm ami. 



ears. T went r Tears 





The star i* Itumhain * 



Ii.-r.-!i> .- w.i- a* aftAii.. -h 

 <am, ami in 1887th 

 Fsni 



eonjMH 

 rm, 



11. Tbeshortnessof. 



OS a long way over the gap that fparates the 

 telescopic from the -| ries. The 



was latrlv ma 

 I>r. ] 



i leave no iloubt that hi* 

 f thit 



^le of m 



contor. 007 : i- r;.-i. !;\. \..ir^ .t:. : . : all 



pletcd since Burnham's discovery ii 



it one of the most interesting binary systatt 



htOjfl !.v 



>temft.-That the heavens afford 

 -t.ir -\-'- Hi- U -!! - ' sj .- |t fi '.* 

 1 :. f . but Proctor's opinion that five of the seven stars 

 comprising the bowl of the great dipper in r n* 

 Major nn thti-. associated does not meet with gen- 

 eral acceptance. In the first place, their proper 

 motions are so small as to form a very slender 

 thread on which to hang so strong a theory. 



'tvorahle to the idra . f a physical con- 

 nection between the fire that they all present the 

 same kiix: Kta. admittedly 



01 I- : iff" _ . .-.- 



\lpha h^* 



than half the velo. 

 other six. 



iable Slarx-Tbediscovery of variable stan 

 has been posh*! ith an 

 known. Ac its fM-osetutioii 

 inMniincnt* it |n-n* A f.\- :...: ^ r . : T..I 



Journal- the best a 





kering. in 

 Ml, fires an 



be journal 

 which give full details of MttBOJohen. It the 



with hem Onl 

 n be notic. 

 Uto i i . Hi , \ 



f the diseovery by Prot 

 Bailey, at Arrquipa.of numeroos variable 

 certain gtobulv clostetm. and their entire 



.ers. apparently Monging t.. the same claw. 



then he ban found many more, so that their 



total numtier now known, including a few found at 



ridge, is :: can 



the Omega <entatiri cluster 

 Bailey hot detected 60. and in Messier 5 

 General Catalogue 5904) 68 have been discovered. 



Mars an 

 ID the cluster in Hercules not < 



