Cape Astrographic Zones, Vol. 7
Gill, David Excerpt from Cape Astrographic Zones, Vol. 7: Catalogue of Rectangular Co-Ordinates and Diameters of Star-Images Derived From Photographs Taken at the Royal Observatory, Cape of Good Hope, Zone -47°The present volume contains the results of measures derived from plates having their centres on the declination Circle which have been treated in all respects in a Similar manner to those dealt with in the previous volumes.For fuller detail, referen...