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In the present work for the first time in the world practice 430322 occultations of stars by the Moon are analyzed. The relevance of the work is that the accuracy analysis of stars' proper motion in modern star catalogues can only be conducted using either observations of small planets or occultations, since only those observations are longterm and homogenous in time. When making the occultation database a comparative analysis has been used to study types and accuracy of occultation. For photoelectric observations...

The future manned space flights will be accompanied by collecting a significant amount of unique experimental data: electrocardiogram, encephalogram, myogram, and rheoencephalogram generated by human body under conditions of outer space. However, while systems of monitoring crew membersпїЅ mental and physical performance capability are well developed, problems related to obtained data interpretation, which is necessary for predicting dramatic changes in human behavior or health status and for maintaining normal li...

The aim of this article is to study astronomical refraction anomalies. Back in 1925 Grachev and Banahevich found systematic errors in meridian observations depending on zenithal distance. Grachev suggested that these refraction anomalies arise from the inclination of the Earth's surface to the South. The airstratas of the same density were considered as parallel to the Earth's surface. But the analysis of latitude observations from the Bamberg and ZTL-180 telescopes showed there were significant systematic errors ...