Cannonia

1928 RV. Discovered 1928 Sept. 11 by P. F. Shajn at Simeis. Independently discovered 1928 Sept. 13 by G. N. Neujmin at Simeis and Sept. 23 by E. Delporte at Uccle.

Named by the discoverer (RI 584) in honor of Miss Annie Jump Cannon (1863-1941). At Harvard University she classified the spectra of about 225,000 stars for the Henry Draper Catalogue in a system of spectral types which she had developed. (H 105) Cannon is also honored by a lunar crater.

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