We present the on-line version of the catalogue-atlas of photographic observations along the path of comet Liller (1988a). The comet was observed in the N. D. Kalinenkov Astronomical Observatory (AOK) of the Nikolaev ...

The paper considers evolutionary features of fast-growing sunspot groups AR1618, AR1619, AR1620, and AR1640. The study consists of the analysis of magnetic fields, movements of the solar atmosphere at different levels, and ...