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Astronomical Society of the Pacific
Number 207, 1923 October
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R. G. Aitken
T. S. Jacobson
R. H. Tucker
A. van Maanen and Hannah M. Marsh
E. Hubble
P. W. Merrill
F. C. Leonard
J. A. Pearce
C. D. Perrine
A. H. Babcock
M. Mcneill