Variable Stars. 



280 



7600 



Wolf, Max. Karte der Unigebuug- vou 

 159. 1904 Pegasi. Astr. Naehr., Kiel, 

 166, 1904, (267-268). 



Ueber eiuen farbigen Stern. 



[Vorlaufige Bezeichnuug var. 1. 1905 

 Geniinorum.] Astr. Nachr., Kiel, 167, 

 1905, (167-170). 



Notiz betr. deu Stem 



BD. + 17°. 344. Astr. Nachr., Kiel, 

 168, 1905, (127-128). 



Variabilis 60. 1905 Ophiudii. 



Astr. Nachr., Kiel, 168, 1905, (19.5-196). 



Ueber den Veranderlicheu 



R Coronae Borealis. Astr. Nachr., Kiel, 

 168, 1905, (291-292). 



Var. 59. 1905 Lyrae. Astr. 



Nachr., Kiel, 168, 1905, (387-388). 



Beobachtungen von R Coronae 



Borealis. Astr. Nachr., Kiel, 169, 1905, 

 (63-64). 



undWolf, G. Neue Verauder- 



liche in der Umgebung vou S Aquilae. 

 Astr. Nachr., Kiel, 167, 1905, (337-342, 

 mit 3 Taf.). 



Variabilis 59.1905 Lyrae. 



Astr. Nachr., Kiel, 168, 1905, (77-78). 



Beobaclitung von alteren 



und Eutdeckung von zehn neuen Verander- 

 licheu um 7 Aquilae. Astr. Nachr., Kiel, 

 168, 1905, (145-148, mit 1 Taf.). 



Variabilis 72.1905 Cygni. 



Astr. Nachr., Kiel, 168, 1905, (276-276). 



Die Veranderlicheu 78. 



1905 Virginis und Y Virgiuis. Astr. 

 Nachr., Kiel, 169, 1905, (107-110). 



Yendell, Paul S. On the liglit- 

 variations of 320 U Cephei. Astr. J., 

 Boston, Mass., 23, 1903, (213-219). 



The study of the variable 



stars. 10. U Cephei- its light- variations. 

 Pop. Astr., Northfield, Minn. , 12, 1904, 

 (32-39, with text fig.). 



7700 



STAR CLUSTERS. 



Meyer, Harry. Ausmessuug eines 

 Sternhaufens in der Vulpecula. Astr. 

 Nachr., Kiel, 167, (1905), (321-334). 



Perrine,C[harles] D[illon]. A division 

 of the stars in some of the globular clusters, 

 according to magnitude. Berkeley, Lick 

 Obs., Univ. Cal., Bull., No. 64, [1904], 

 (49-50) ; San Francisco, Cal., Pub. A.str, 

 Soc. Pac, 16, 1904, (263-264); Astroph. 

 J., Chicago, 111., 20, 1904, (354-356). 



Pickering, Edward C[harles]. Variable 

 stars in the clusters Messier 3 and Messier 5. 

 Astr. Nachr., Kiel, 169, 1905, (75-78). 



Plummer, W. E. The great cluster in 

 Hercules. London, Mon. Not. E. Astr. 

 Soc, 65, 1905, (801-813). 



Cluster M. 13. Liverpool, 



Rep. Astr. Soc, 1905, (19-21). 



Schaeberle, J. M. La structure physique 

 du grand amas d'Hercule. Paris, Bui. 

 Soc' astr. France, 1904, (222-223). 



7800 nebula:. 



Barnard, E. E. The annular nebula in 

 Lyr;e (M. 57). London, Mon. Not. R. 

 Astr. Soc, 66, 1906, (104-113). 



Bohlin, Karl. Recent investigations in 

 gaseous nebulosities. (Swedish) Stock- 

 holm, Vet.-Ak. Arsbok, 1903, (59-73). 



Chevremont, A. La nebuleuse M[essier] 



27, Petit-Reuard. Paris, Bui. Soc. astr. 

 France, 1904, (270-280). 



Daniel, Zaccheus. The miniature dumb- 

 bell nebula, Messier 76. Pop. Astr., 

 Northfield, Minn., 11, 1903 (110). 



Easton, C[ornelis]. La distribution 

 des uebuleuses et leurs relations avec le 

 systeme galactique. Astr. Nachr., Kiel, 

 166, liJ04, (129-134). 



Franks, W. S. Nebular photography— 

 a suggestion. Observatory, London, 28, 

 1905, (187). 



Gore, J. Ellard. The brightness of 

 planetary nebulae. Observatory, London, 



28, 1905, (207-209). 



Hagen, John G. Variable stars in 

 nebula of Orion in connection with chart 

 for T Orioms. Astroph. J., Chicago, HI., 

 19, 19U4, (344-349). 



Hartmann, J. Monochromatische Auf- 

 nahmen des Orionnebels. Berlin, SitzBer. 

 Ak. Wiss., 1905, (360-368). 



Luyties, Otto. A phenomenon involved 

 in tlie nebulosity around Nova Persei. 

 Astroph. J., Cliicago, 111., 19, 1904, 

 (129-138, with text fig.). 



McBroom, J. K. Star dust,— a dis- 

 cussion. Pop. Astr., Northfield, Mmn., 

 11, 1903, (544-546). 



Meyer, M. Wilhelm. Das radium uud 

 die neueren Ansichten iiber die Welt der 

 Atome. [Nebel in Perseus.] Kosmos, 

 Stuttgart, 1, 1904, (23-26). 



