M. Usatov

AAVSO Observer Code UMAB

Primary Menu
  • Research
  • Notes & EssaysMy essays on various astronomy topics.
  • PostersMy posters and collages designed to concentrate overview information about a particular topic and serve as quick go-to knowledgebases.
  • Galaxies
  • Planetary Nebulae
  • Diffuse Nebulae
  • Star Clusters
  • Solar System
  • Equipment
  • Other
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Research

108 New Variable Stars in the NSVS Database

October 8, 2016October 8, 2016

In this paper we present 105 SR+L, 1 Orion T Tau and 2 RS CVn type variable stars found in […]

Other

Dny otevřených dveří na observatoři Astronomického ústavu AV ČR v Ondřejově

October 8, 2016October 8, 2016

  Read full photo-report of my visit to the Ondrejov Observatory in 2008.

Solar System

Solar Granulation

October 8, 2016October 8, 2016

A successful attempt to image Solar granulation with an amateur 280mm Schmidt-Cassegrain telescope located in Central Europe.

Galaxies

M 51

October 8, 2016October 8, 2016

Ultra-deep view of the Whirlpool Galaxy—a collaboration project initiated by Yuri Toropin.

Research

PNV J00424277+4052017

October 8, 2016October 8, 2016

Possible nova discovered in M32 galaxy by S. Korotkiy and V. Gerke. IAU Central Bureau for Astronomical Telegrams Report  

Diffuse Nebulae Star Clusters

Melotte 15

October 8, 2016April 10, 2017

  Melotte 15 is a very young star cluster in the IC 1805 nebula, also known as the Heart Nebula. […]

Other

Zeta Bootis

October 8, 2016September 14, 2017

 

Notes & Essays

Ultra-Luminous X-ray Sources: an Overview of Discussion on Their Origins and Nature

October 21, 2015October 21, 2016

The subject of the nature and origins of ultra-luminous X-ray sources (ULXs) remains at the frontier of modern research. Existing […]

Notes & Essays

Detection of Population III Stars

October 21, 2015October 21, 2016

It is suggested that two distinct Population III classes may have existed: population III.1 and population III.2. The former, consisting […]

Notes & Essays

Planetary Energy Balance, Kevin–Helmholtz Contraction

October 21, 2015October 21, 2016

I would like to discuss Jupiter’s energy balance, in particular the excess heat radiated by it to space and the […]

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