U : 20 h. 16 m. + 47° 35′. Variable, 7 to 11·6. Very red. V : 20 h. 38 m. + 47° 47′. Variable, 6·8 to 13·5. Very red. [Sigma] 2758 or 61 : 21 h. 2 m. + 38° 13′ : 5·3-5·9 : 126·8° : 22·52″. First star whose distance was measured. RV : 21 h. 39 m. + 37° 33′. Variable, 7·1 to 9·3. Splendid red. [Sigma] 2822 or [mu] : 21 h. 40 m. + 28° 18′ : 4-5 : 122·2° : 2·29″. Fine double; probably binary. DELPHINUS. [Sigma] 2727 or [gamma] : 20 h. 42 m. + 15° 46′ : 4-5 : 269·8° : 10·99″. Yellow, bluish-green. V : 20 h. 43 m. + 18° 58′. Variable, 7·3 to 17·3. Period 540 days. Widest range of magnitude known. DRACO. [Sigma] 2078 or 17 : 16 h. 34 m. + 53° 8′ : 5-6 : 109·5° : 3·48″. White. [Sigma] 2130 or [mu] : 17 h. 3 m. + 54° 37′ : 5-5·2 : 144·2° : 2·17″. White. H. iv. 37 : 17 h. 59 m. + 66° 38′. Planetary nebula, nearly half-way between Polaris and [gamma] Draconis. Gaseous; first nebula discovered to be so. [Sigma] 2323 or 39: 18 h. 22 m. + 58° 45′ : 4·7-7·7-7·1 : 358·2°, 20·8° : 3·68″, 88·8″. Triple. [epsilon] : 19 h. 48 m. + 70° 1′ : 4-7·6 : 7·5° : 2·84″. Yellow, blue. EQUULEUS. [Sigma] 2737 or [epsilon] : 20 h. 54 m. + 3° 55′ : 5·7-6·2-7·1 : 285·9°, 73·8° : 0·53″, 10·43″. Triple with large instruments. ERIDANUS. [Sigma] 518 or 40 or 0^2 : 4 h. 11 m. - 7° 47′ : 4-9-10·8 : 106·3°, 73·6° : 82·4″, 2·39″. Triple, close pair binary. GEMINI. M. 35 : 6 h. 3 m. + 24° 21′. Magnificent cluster; forms obtuse triangle with [mu] and [eta]. [Sigma] 982 or 38 : 6 h. 49 m. + 13° 19′ : 5·4-7·7 : 159·7° : 6·63″. Yellow, blue. Probably binary. [zeta] : 6 h. 58 m. + 20° 43′. Variable, 3·8 to 4·3. Period 10·2 days. Non-eclipsing binary. [Sigma] 1066 or [delta] : 7 h. 14 m. + 22° 10′ : 3·2-8·2 : 207·3° : 6·72″. Pale yellow, reddish. (Castor) [alpha] : 7 h. 28 m + 32° 7′ : 2-2·8 : 224·3° : 5·68″. White, yellowish-green. Finest double in Northern Hemisphere. HERCULES. M. 13 : 16 h. 38 m. + 36° 37′. Great globular cluster, two-thirds of way from [zeta] to [eta]. [Sigma] 2140 or [alpha] : 17 h. 10 m. + 14° 30′ : 3-6·1 : 113·6° : 4·78″. Orange-yellow, bluish-green. Fine object. [Sigma] 2161 or [rho] : 17 h. 20 m. + 37° 14′ : 4-5·1 : 314·4° : 3·80″. 'Gem of a beautiful coronet' (Webb). M. 92 : 17 h. 14 m. + 43° 15′. Globular cluster; fainter than M. 13. [Sigma] 2264 or 95 : 17 h. 57 m. + 21° 36′ : 4·9-4·9 : 259·7° : 6·44″. 'Apple-green, cherry-red' (Smyth), but now both pale yellow. [Sigma] 2280 or 100 : 18 h. 4 m. + 26° 5′ : 5·9-5·9 : 181·7° : 13·87″. Greenish-white. HYDRA. [Sigma] 1273 or [epsilon] : 8 h. 41 m. + 6° 48′ : 3·8-7·7 : 231·6° : 3·33″. The brighter star is itself a close double. V : 10 h. 47 m. - 20° 43′. Variable, 6·7 to 9·5. Copper-red.