PREDNASAJUCI / LECTURER : Marek Husárik (1) Astronomical Institute, Slovak Academy of Sciences, 059 60 Tatranská Lomnica NAZOV / TITLE : Brief information on the preliminary results of three objects ABSTRAKT / ABSTRACT : I will talk about some selected preliminary results on three objects observed last year at the Skalnate Pleso Observatory. 1. Comet 12P. Dust productivity, spectrum, colour indices, magnitude and jets development in time. 2. Comet C/2023 A3. Dust productivity, nucleus size estimation, colour indices, magnitude development in time, and future observability. 3. Discovery of new specific type of an asteroid.