An Introduction to Practical Astronomy ...

Aber Aberration according added altitude amount Angle apparent applied approximate Latitude Argument astronomers barometer Bessel calculated Cephei column Common computed constant contained continued correction corresponding declination determined Diff difference Dist Draconis Ecliptic equation Example formula given gives Greenwich head horary horizontal parallax interval July latitude logarithms Long longitude mean MEAN REFRACTIONS meridian method minutes moon moon's motion N. P. Distance natural Nautical Almanac Nonag nonagesimal noon north polar distance Nut.ONut obliquity observations obtained ONut paral parallax planets position preceding precession principal proper proportional Reduction refraction respectively result right ascension side sidereal signs sine Space star's stars subtracted sun's longitude Table taken tang Ther thermometer true Ursæ VIII zenith distance