Some issues have also a distinctive title.
Imprint varies.
In Russian; table of contents and occasional summaries also in English.
Issued by: Latviĭskoe otdelenie Vsesoi︠u︡znogo astronomo-geodezicheskogo obshchestva, <1977->; Astronomicheskiĭ sovet Akademii nauk SSSR, Radioastrofizicheskai︠a︡ observatorii︠a︡ Akademii nauk Latviĭskoĭ SSR <1986->.