My first peer-reviewed publication. 27 new variable stars discovered in the Northern Sky Variabiltiy Survey database, mostly red AGB branch semiregular and irregular variable stars.…
In this paper we present the catalog of new Mira-type and SR+L variable stars in the Northern Sky Variability Survey (NSVS) database, found after complementing…
In this paper we present 105 SR+L, 1 Orion T Tau and 2 RS CVn type variable stars found in the Northern Sky Variability Survey…
Read full photo-report of my visit to the Ondrejov Observatory in 2008.
A successful attempt to image Solar granulation with an amateur 280mm Schmidt-Cassegrain telescope located in Central Europe.
Ultra-deep view of the Whirlpool Galaxy—a collaboration project initiated by Yuri Toropin.
Possible nova discovered in M32 galaxy by S. Korotkiy and V. Gerke. IAU Central Bureau for Astronomical Telegrams Report
Melotte 15 is a very young star cluster in the IC 1805 nebula, also known as the Heart Nebula. It consists of massive OB…
The subject of the nature and origins of ultra-luminous X-ray sources (ULXs) remains at the frontier of modern research. Existing data allows to fit a…