by Sir William and Lady Huggins.
1897 Completion at the Cape Observatory of McClean's
spectrographic survey of the heavens.
1897 Twenty-one Wolf-Rayet stars found by Mrs. Fleming
in Magellanic Cloud.
1897 Percival Lowell's _New Observations on the Planet
Mercury_ presented to the American Academy.
1897, April 8 McClean recognises oxygen-absorption in helium stars.
1897, May 9 Death of E. J. Stone, Radcliffe Observer.
1897, June 10 Death of Alvan G. Clark.
1897, June 18 Spectrum of a meteor photographed at Arequipa.
1897, Oct. 21 Inauguration of the Yerkes Observatory.
1897 Rabourdin's photographs of nebulae with the Meudon
reflector.
1897 Dr. See's discoveries of Southern double stars with the
Lowell 24-inch refractor.
1898, Jan. 22 Total eclipse of the sun visible in India.
1898, February Binary character of Zeta Geminorum ascertained
spectroscopically by Belopolsky.
1898 Star with proper motion of nearly 9" discovered by
Innes and Kapteyn from the Cape Durchmusterung plates.
1898, March 8 Nova Sagittarii photographed on Draper Memorial plates.
1898, June 20 Opening of Grand-ducal Observatory at Koenigsstuhl,
Heidelberg.
1898 Keeler succeeds Holden as Director of the Lick
Observatory.
1898 Bruno Peter's results in stellar parallax.
1898 Lewis Swift's discoveries of nebulae at Echo Mountain,
California.
1898 Hale's photographic investigation of carbon stars.
1898, Aug. 14 Discovery of Eros by Witt.
1898 Flint's investigations of stellar parallax by meridian
differences.
1898 Easton's spiral theory of the Milky Way.
1898 Seeliger's research on star distribution.
1898, October Multiple hydrogen-bands observed by Campbell in
Mira Ceti.
1898, November Orbit of a Leonid meteor photographically determined
by Elkin.
1899 Publication of Potsdam _Photometric Durchmusterung_,
part ii.
1899 Innes's _Reference Catalogue of Southern Double Stars_.
1899 Keeler's
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