Free Preview of Results of Astronomical Observations Made at the Observatory of Harvard College: Zone Catalogue of 4484 Stars Situated Between 0 20' and 0 40' North Declination, Observed During the Years 1854 - 55...
Results of Astronomical Observations Made at the Observatory of Harvard College: Zone Catalogue of 4484 Stars Situated Between 0 20' and 0 40' North Declination, Observed During the Years 1854 - 55...