"Three campains of solar observations with an astrolabe at Simeiz" Yu.B.Kolesnik, Institute of Astronomy, Moscow Results of three campains of solar observations made with an astrolabe at Simeiz will be presented. Modification of the instrument for daytime observations, procedures of observation and reduction, possible systematic errors will be discussed. Results of observations in right ascension are compared with recent observations of the Sun made with CERGA, San Fernando and Santiago de Chile astrolabes.