Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919

Royal Observatory, Greenwich, Dyson, Frank Watson, 1868-1939 · 1921 · London, H. M. Stationery Off. · 11 pictures

An observational star catalogue issued by the Royal Observatory, Greenwich, under Astronomer Royal Frank Watson Dyson and printed by H. M. Stationery Office in 1921, recording double-star measures made with the 28-inch refractor between 1893 and 1919 for working astronomers. The plates are line diagrams of apparent orbits: single closed ovals with dated position points, crossed 0-90-180-270 degree axes, and small linear scale bars beneath.

Double stars

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$Picture 1 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 226$
$Picture 2 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 228$
$Picture 3 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 231$
$Picture 4 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 233$
$Picture 5 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 235$
$Picture 6 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 237$
$Picture 7 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 239$
$Picture 8 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 241$
$Picture 9 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 244$
$Picture 10 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 247$
$Picture 11 of 11 from Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921), leaf 249$