4673 Bortle
Encyclopedia
4673 Bortle is a main-belt asteroid discovered on June 8, 1988 by Shoemaker, C. S. at Palomar
.
Palomar Observatory
Palomar Observatory is a privately owned observatory located in San Diego County, California, southeast of Pasadena's Mount Wilson Observatory, in the Palomar Mountain Range. At approximately elevation, it is owned and operated by the California Institute of Technology...
.