WOLF. _Geschichte der Astronomie._ München, 1877. An excellent German work. A LIST OF STARS FOR TIME OBSERVATIONS See § 20. ----------------+---------------+------------------+-------------+ NAME. | Magnitude. | Right Ascension. | Declination.| ----------------+---------------+------------------+-------------+ | | | | | | h. m. | ° | β Ceti | 2 | 0 38.6 | - 18.5 | η Ceti | 3 | 1 3.6 | - 10.7 | α Ceti | 3 | 2 57.1 | + 3.7 | γ Eridani | 3 | 3 53.4 | - 13.8 | _Aldebaran_ | 1 | 4 30.2 | + 16.3 | | | | | _Rigel_ | 0 | 5 9.7 | - 8.3 | κ Orionis | 2 | 5 43.0 | - 9.7 | β Canis Majoris | 2 | 6 18.3 | - 17.9 | _Sirius_ | -1 | 6 40.7 | - 16.6 | _Procyon_ | 0 | 7 34.1 | + 5.5 | | | | | α Hydræ | 2 | 9 22.7 | - 8.2 | _Regulus_ | 1 | 10 3.0 | + 12.5 | ν Hydræ | 3 | 10 44.7 | - 15.7 | ε Corvi | 3 | 12 5.0 | - 22.1 | γ Corvi | 3 | 12 10.7 | - 17.0 | | | | | _Spica_ | 1 | 13 19.9 | - 10.6 | ζ Virginis | 3 | 13 29.6 | - 0.1 | α Libræ | 3 | 14 45.3 | - 15.6 | β Libræ | 3 | 15 11.6 | - 9.0 | _Antares_ | 1 | 16 23.3 | - 26.2 | | | | | α Ophiuchi | 2 | 17 30.3 | + 12.6 | ε Sagittarii | 2 | 18 17.5 | - 34.4 | δ Aquilæ | 3 | 19 20.5 | + 2.9 | _Altair_ | 1 | 19 45.9 | + 8.6 | β Aquarii | 3 | 21 26.3 | - 6.0 | | | | | α Aquarii | 3 | 22 0.6 | - 0.8 | _Fomalhaut_ | 1 | 22 52.1 | - 30.2 | ----------------+---------------+------------------+-------------+ INDEX The references are to section numbers. Absorption of starlight, 225. Absorption spectra, 87. Accelerating force, 35. Adjustment of observations, 2. Albedo of moon, 97. of Venus, 148. Algol, 205. Altitudes, 4, 21. Andromeda nebula, 214.