+—--+-—————————————-+————-—————————-+——————-+———————+——————+——————+—————+ | | |Position, 1890.| |Posit- | | | | |No.| Name of Star. +——————-+——————-+ Mags. | ion- |Dis- |Epoch.|Obser-| | | | R.A. | Dec. | | Angle |tance.| | ver.| +—--+-—————————————-+————-—————————-+———————+——————-+——————+——————+—————+ | | | h m | ° ′ | | o | ″ | | | | 1.|δ Equulei |21 9·1|+ 9 34 | 4½ 5 | 189·9 | 0·25 |1887·7| β. | | | | Most rapid binary known. Period 11½ years | | | | (Wrublewsky). Disc. 1852 by O. Struve. | | 2.|Piazzi 109 | 1 51·0|+ 1 20 | 7 7 | 206·3 | 0·28 |1888·1| S. | | | | An excessively close and difficult object. Binary. | 3.|β Delphini |20 32·4|+14 13 | 3½ 5½| 310·1 | 0·29 |1888·6| β. | | | | A rapid binary. Period 26 years (Doubjago). | | | | Disc. 1873 by Burnham. | | 4.|γ^2 Andromedæ | 1 57·1|+41 48 | 5 6 | 277·6 | 0·35 |1884·8| L. | | | | Distance in Oct. 1889 less than 0″·1, and very | | | | difficult with 36-inch (Burnham). | | 5.|γ Coronæ Bor. |15 38·1|+26 39 | 4 7 | 126·6 | 0·38 |1887·5| S. | | | | A close binary. Period 95½ years (Doberck). | | | | Colours greenish-white and purple. | | 6.|55 Tauri | 4 13·6|+16 16 | 6½ 8 | 76·4 | 0·43 |1887·6| S. | | | | A binary. Difficult object with a 10-inch. | | 7.|λ Cassiopeiæ | 0 25·7|+53 55 | 6½ 6½ | 146·9 | 0·45 |1887·3| T. | | | | Another close binary. Distance of components | | | | shows little change. | | 8.|ζ Boötis |14 35·9|+14 12 | 4 4 | 293·4 | 0·51 |1887·5| S. | | | | A binary pair, of equal mags. Period 127 | | | | years (Doberck). | | 9.|42 Comæ Bor. |13 4·7|+18 7 | 5½ 6 | 189·6 | 0·55 |1889·1| L. | | | | A close binary, of short period; about 25¾ years.| | | | Disc, in 1827 by O. Struve. | |10.|λ Cygni |20 43·1|+36 8 | 5 7½ | 70·6 | 0·63 |1888·8| Hσ.| | | | A binary. The distance between the components | | | | is increasing. | |11.|ζ Coronæ Bor. |15 18·7|+30 41 | 5½ 6 | 178·5 | 0·63 |1886·5| T. | | | | A well-known binary, of short period; 41½ years | | | | (Doberck). | |12.|ω Leonis | 9 22·6|+ 9 32 | 5½ 7 | 96·8 | 0·70 |1889·1| L. | | | | A close pair, but not difficult. Binary. Period |