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Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921)

Royal Observatory, Greenwich, Dyson, Frank Watson, 1868-1939 · London, H. M. Stationery Off. · leaf 241

An illustration 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 — Orbits of 25 Double Stars. 220 A 15. 7748. B.D. 43°, 2639. R.A. i6ii 41™ 37s. Mags. 8-0, 8-2. Dec. +43° 37'- Spec. K5. Apparent Orbit of A 15 This orbit has previously been investigated by

Double stars

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