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Ludwig O. Struve (1858-1920): The beginning of positional astronomy in the Kharkiv Astronomical Observatory. Ukrainian. 2021 ;37(5):74-82.
. Molecular hydrogen H² (4-0) in the spectra of Jupiter and Saturn. Ukrainian. 2021 ;37(5):18-36.
. The observation of stars occultation by asteroid (259) Alethea and comet 21p/Jacobini-Zinner. 2021 ;37(1):71-88.
. Observation of the grazing occultation of the star TYC 1280-832-1 by the asteroid (486) Cremona. Ukrainian. 2021 ;37(3):58-67.
. Pole coordinates and length of day from laser ranging of low Earth orbiters. Ukrainian. 2021 ;37(5):66-73.
. Prediction of solar cycle 25: maximum in the N- and S-hemispheres. 2021 ;37(1):48-56.
. On the research activities of the Main astronomical observatory of the NAS of Ukraine in using the GNSS technology. 2021 ;37(2):75-88.
. The rotation mirrors synchronization block for separation of optical channels. Ukrainian. 2021 ;37(3):84-90.
. Spectral study of active region site with Ellerman bomb and Нα-ejections. chromosphere. Ellerman bomb. 2021 ;37(1):3-29.
. Statistical analysis of the orbital motion of selected Earth’s artificial satellites during the 24th cycle of solar activity. Ukrainian. 2021 ;37(6):62-84.
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