Helen B. Sawyer A Bibliography of Individual Globular Clusters

438 Publications of the David Dioilap Observatory
XGC 6535 a 18 h 01 m .3, 5 - 00° 18' / 3.55°, b + 09°
1852 Hind, J. R. New nebula. M. TV., v. 12, p. 208.
1946 Mayall, X. U. Says probably not a globular cluster.
186277J Auwers. 1864 T. Herschel 4369, 1890 d'Engelhardt, 1891-e Bigourdan,
1909 Winnecke, 1910 Porter, 1915 Melotte, 1918/7/ Shaplev, 1919//ac"Shaplev
and Shapley, 1926/' Parvulesco, 1926 Reinmuth, 1927 Sawyer and Shaplev,
19277, II, 1929c6 Shaplev and Sawyer, 1930acw Shapley, 1931 Nabokov, 1933
Stebbins, 1936a/> Stebbins and YVhitford, 1939a Sawyer, 1941 de Kort, 1946/
Mayall.
NGC 6539 a 18 h 02 m .l, o - 07° 35' / 349°, b + 05°
1S56 Brorson, T. Entdeckung und Beobachtungen von Herrn Observator
Theodor Brorson. John's Unterh., p. 292.
1928 Baade, W. Der Sternhaufen NGC 5053. Hamb. Mitt., v. 6, no. 29;
A. N., v. 232. p. 200. (Comparison).
rid Auwers, 1864 ]. Herschel 4370, 1890 d'Engelhardt, 1891-c Bigourdan,
1909 Winnecke, 1910 Porter. 1911 Wirt/. 1915 Melotte, 1919i7ac Shaplev and
Shapley, 1926/ Parvulesco, 1926 Reinmuth, 1927 Sawyer and Shaplev. 19277, II,
19296 Shaplev and Sawyer, L930 5 1931 Nabokov, 1933 Stebbins,
1936ao Stebbins and Whitford, 1939a Sawyer, 1940 Christie, 1941 de Kort,
I946d Mayall, 1946a Mowbray.
XGC 6541 a 18 h 04 m .4, 0-43 H' / 317°, b - 12°
1826 Cacciatore, X. First observation, 1826 Mar. 19. SuW origine del
sistema sola re, p. ].">. Palermo, 1S26.
1826 Zach. Correspondence Astronomique, v. 14, p. 410. (On the new nebula).
1S26 Olbers, W. Auszug aus einem Schreiben des Herrn Doctors und Ritters
Olbers an den Herausgeber. A. N., v. .">. p. 121. (Questions whether new
nebula may be a comet).
1826 Cacciatore. N, Neuer Nebelflecke. -4. N., v. 5, p. 281. (Reprint of
original article .
1V_'7 von Biela, W. Schreiben des Herrn Hau'ptmanns und Ritters v. Biela an
den Herausgeber. .1. A'., v. 5, p. 125. (Position of new nebula).
1828 Olbers. W. Auszug aus einem Schreiben des Herrn Doctors und Ritters
Olbers an den Herausgeber. .1. A., v. 7, p. 64.
1922 Woods, I. E. Xew variable in X.G.C. 6541. Harv. Bull., no. 764; Pop.
Astr., v. 30, p. 174.
1922 Shapley, H. Xeuer Veranderlicher 2. 1922, Coronae Australis in XGC
6541. ,4. .V.. v. 215. p. 391.
1881
Duniop 473. 1S47 [. Herschel 3726, 1864a J. Herschel 4372, 1868 Webb.
Smvth and Chambers, 1908 Bailev. 1911a Hinks, 1915 Melotte, 1915a
Bailev, l918o Bailee . 1918c Charlier. 1918//e Shapley, 19191c, lie Shaplev and
Shaplev, 1920a Lundmark, 1925 Nabokov, 1926 Parvulesco. 1927// ten Bruggencate,
1927 Sawyer and Shaplev, 19277, II, 1929a6 Shaplev and Sawyer,
1929 Cannon. 1930a/« Shaplev, 1931 Nabokov, 1932. 1933 van de Kamp, 1935
Shapley and Saver, 1939a Sawyer, 1941 tie Kort, 1941 Copeland, 19460" Mayall.
NGC 6544 a 18 h 04 m .3, 8 - 25° 01' / 334°, b - 04 =
1786 Herschel. W. First observation, 1784 May 22.
1946 Mayall, X. U. Cites this as a new globular cluster.