Meddelanden Från Astronomiska Observatorium, Uppsala, Issues 75-100

A-BC AB-C AB-D absorption ADS mvis SPA ÅKE WALLENQUIST ALMQVIST & WIKSELLS apparent magnitude Auriga Berechnungen BERTIL LINDBLAD blue bright C₁ centre cluster colour equation colour excess colour indices column comparison components computed corresponding dark nebula density derived determined deviations differences in magnitude distance distribution double stars exposures following formulae following relation formulae are obtained frequency function GUNNAR MALMQUIST Harvard images instrument interval investigation m₂ magn magnitude differences Mat Astr Fys mean error mean value measured Messier 103 method n₁ n₂ Nova number of stars observations Observatory Ophiuchus photographic magnitudes photometer photovisual plates polarization Praesepe proper motions red magnitudes region s-dimensional SCHALEN semi-invariants spectral type star numbers star-numbers Strahlungsdruck systematic errors depending tion Tryckt Uppsala Uppsala Medd UTGIVET visual magnitudes wave-length wedge Wiksells Boktryckeri АВ-С