Photographic Photometry of Objects near 5C1 Radio Sources

Photographic photometry and objective prism spectroscopy has been performed for most of the objects near 5C1 radio sources brighter than 19^m.6 discussed by NOTNI and FRöHLICH (1975). Updated samples of identification candidates are presented. The mean reliability of the identifications is better than 90% for blue starlike or concentrated objects and 67% for galaxies. In addition, a few bright galactic stars seem to occur among the radio sources.