An atlas of astronomy; a series of seventy-two plates, with introduction and index (1892)
Ball, Robert S. (Robert Stawell), Sir, 1840-1913 · New York, D. Appleton and company · leaf 74
d purple, 1879. 52J 57. A well-known and striking double star. Easy to find in the centre of a £ Aquavii. 22h. 23m. — 0°38 triangle of naked eye stars. The magnitudes are 4, 4; position 325Q,8 ; Distance 63. 308 (1889), Leavenworth. A fine double star. 54 and 75 magnitudes ; large star white,…
Stars · Astronomy
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