108 New Variable Stars in the NSVS Database
In this paper we present 105 SR+L, 1 Orion T Tau and 2 RS CVn type variable stars found in […]
Dny otevřených dveří na observatoři Astronomického ústavu AV ČR v Ondřejově
Read full photo-report of my visit to the Ondrejov Observatory in 2008.
Solar Granulation
A successful attempt to image Solar granulation with an amateur 280mm Schmidt-Cassegrain telescope located in Central Europe.
PNV J00424277+4052017
Possible nova discovered in M32 galaxy by S. Korotkiy and V. Gerke. IAU Central Bureau for Astronomical Telegrams Report
Melotte 15
Melotte 15 is a very young star cluster in the IC 1805 nebula, also known as the Heart Nebula. […]
Ultra-Luminous X-ray Sources: an Overview of Discussion on Their Origins and Nature
The subject of the nature and origins of ultra-luminous X-ray sources (ULXs) remains at the frontier of modern research. Existing […]
Detection of Population III Stars
It is suggested that two distinct Population III classes may have existed: population III.1 and population III.2. The former, consisting […]
Planetary Energy Balance, Kevin–Helmholtz Contraction
I would like to discuss Jupiter’s energy balance, in particular the excess heat radiated by it to space and the […]