IV. PROGRESS OF. IX KM. 







hen Bearing minimum the neb- 



ul.i Mirr..nn.lin K - tin* -tr nai u^am U-.-n BSSJa, 



-m. a stellar D. 



the center of a faint nebula, but on the -j.'ith tlu* 



stellar I- -int h.i 



rtuuately the star was then too 

 ' I reappearance to be observed. 



minimum, the nebula about 



seen. The star 



: >n Jan. M. 1 



splaoc i.: the very 



h nebula was certain! v seen, 



t. I h.- BtbaJa M Mar. h r> 



th 



Tin- Ma 



as also on the 



was very faint, with a i 



' . . . ' . ' ' r . 

 . k :. : M .*! h '.'I V.. v. k 



,!!. ai pi int . f tin r 

 a-,, asbml toy, Ufa 



Mi.I w,- 



. I!. >V 



< :: : -'. 



f the star. 







peotra taken 



the diaooven of u n, 



Irora Une bright: 

 Astronomic*! Journal " for the car- 



riable-star 



In No. 847 is a revised M 



JOQttd oatfJofM .f farieJblai % >. < handler. 

 X... :tUi .-..iitnin. .u. ,-,.h,-in,-ris f var::l - - f 



the Algol type iogties, 



MtaaTstO/oi uiriuM,. >tar> ,,f U-ih s|,,.rt ami 



long period, by -t, K. P. Sawyer, 



and others an- Xos. 888, 84, and 850, 



i Avriya. This, says Dr. Barn a 

 inible as a small star without change in 



|.h\M.:il :|.|..-:ir:i!i.-.- -111-.' 1VJ. < '.'.: \ ':ir !- H 



.' neighboring stars shows conclusively 

 that there has been no perceptible motion 

 Nova for two years. This fixity is sur- 

 prising because of the enormous velocity in th. 

 line of sight assigned to the star by spectro- 

 jH-opi,- ,,J,^ r . in, -, It. ,|*x-tmm > t'l.at ..f the 

 nebuln r 10000 is right ascension 



magnitude is 9-7. It has been named T Auriga. 

 -arancc it U a faint stellar point involved 

 -tmewhat dense nebula. 

 Similar to the Auriga Nova in its spectrum 



irfit ascension \& 22- r> ; 

 50" 1*8. This too, as al* 

 " the nebula spectrum, and all hare 



l-liir fiU.-Prof. J. M. Scfaaa- 

 berle. .serratorr. has been com- 



^photographic plat. 

 the faintest visual magnitudes in the 36-inch 



woope at Mount lUmilton. 



rn;i..n,,f AlH.ai,.l u.ii.i 



prtosd to find that, with an esposureor five 

 in, the photograph nvealed urs down to 

 164 magnitude. As the photograph was 

 the level of the saa andwiil a small 



aopa, and as a atar of the 



U.U- I, at thr lunit ,,f %m..|, ,.f thr 



fjasj I'.- '. * 



- 



with aa 



ex|Mure of five 



stars down to the 



those as small a the giant refractor of the 



Observatory will show visually. 



Faint Star near Alpha < nturl.-Mr. 

 Walt.: . of PaddingtoB, % 



\S , .-..; a: ...-". 



Alpha 



not aware of any previous obsecration of the 



to the brijrbt star. If nnconnartfd with 

 the system, its distance twenty years hence, be- 

 cause of the 

 Vtt] BJMD 



, 



proper motion of Alpha, will be 

 A the 



do Dot 



oppow such an hypotheata, the remote poaaft- 



iir befog conn 

 ha, 

 il 



N-llnr bean 



it a tnj !r tj+em. rmden it of 

 H. "' katikli -- 

 igatiunn of the .-rl.it of Alpha (Vntauri have 

 .. : Milebj IT h Bfl i IB I to tt l 

 heir delenninations fail to Mtisf the moat 



!. 



- i ' 



G BJ 



A tew 



l.-u-r.-. - iii ii.lxaii--. -f ! ;:.j .' : ; hi I 



8MHrm of 8ten.-Tbe annuaf report of 



irvBf4 Col- 

 lege Obsennt r >..i : M Baal .: >:} : /* 

 h valuable work done with the 

 : instruments at his command. Thellennr 



ra having been ph<>tomphed with the 

 Draper tdcaeopt., ano 1,706 with the 



8-inch Bacne glass in Peru. All the plate* have 

 been examined by " 



the discovery of eleven 



spectra show the hylrogea lines. In addition to 



the above, 912 photographs have beea taken 



h Uraper tclaaoona Of tlicao. 



Un* Majoris and 47 out of 66 of Bate Auriga 



have been found periodically to have double 



spectral hn.-.v These stars are termed photo- 



gpaetroieopic binaries, and the investigation of 



tracter is far beyond the reach 



of anv visual trlesroi*. Their periods of revo- 



u are four and eight days respectivelv. 



ulons Reerloa IB OrloB.-Dr. RoWa*s 

 splendid photographs of the great nebula la 

 drio^so muchtaJked of in late years, have not 

 bv anv means exhausted the wooden of that re- 

 markable region. Dr. Barnard also has secured 

 not only photographs of the giant nebula itself, 



rn 1 1 rr constellation, using for the purpose not a 



. . , , .:-..!::.. 



a magic lantern giving 



f^a Kw%srit r^nei laB\lw 



Hb negative, portray an 



and the 



fftlsjf ; Itksj f 



