Sight Reduction Tables H.O. 229, Vol. 1: Latitudes 0-15
by National Imagery and Mapping Agency
Volume I for latitudes 0 to 15. Inspection tables of precomputed altitudes and azmuths used for reducing sights to solve for position. Each volume contains data for a 16 degree band of latitude north or south with a 1 degree overlap between volumes. Permits the reduction of an observation of any navigational body. Includes a simple approach to star identification.