Readings. 170·1 170· 169·5 169·8 ————— 4) 679·4 ————— 169·8 109·8 90·0 ————— 19·8 169·8 Position = 150° 19·8 ————— Distance = 1˝·828. 150 * * * * * No. 2. _Feb. 5th, 1875·09._ DOUBLE STARS. STRUVE 577. R. A.—4h. 34m. 9s. DECL. 37° 17´ Magnitudes—7, 8. POSITION. Zero, 88·9. [Illustration] DISTANCE. Direct. Indirect. ½ Diff. 12·5 99·5 6·5 12·6 99·2 6·7 ——————— 6·6 mean. Readings. 79·5 81·5 81·2 ————— 3) 242·2 ————— 81·1 mean. 88·9 90·0 ————— -1·1 81·1 -1·1 ————— 82·2 Position = 262°·2. 180·0 ————— Distance = 1´·237. 262·2