Shall we trust Stellarium Web or Stellarium App?
Stellarium is a free open-source planetarium, which can be used in different ways. The primary software is dedicated to your computer, but you can still work with Stellarium by using it both via a...
Tagged: Mercury
10 the most spectacular celestial events to watch in 2021-2040
This text is somewhat the continuation of the previous one, tailored for the most unique celestial events or group of celestial events, which will occur in the 2021-2030 decade. This time you will read...
The most unique astronomical events you shouldn’t miss in the 2021-2030 decade
Recently we have entered the new decade 2021-2030. This is a good time to take a look at what major astronomical events will occur throughout this time. I don’t mean typical celestial events, as...
The Astropixels.com ephemeris data extractor
I would like to introduce the new tool, whose goal is to extract the ephemeris data from the Astropixels.com service. Before I start to describe the major features of my program I would express...
Astrophotography with Sigma 150-600mm DG OS Contemporary and dedicated teleconverters
The summary of my amateur test with a Sigma 150-600mm DG OS Contemporary lens and two teleconverters TC-1401 and TC-2001 includes the astrophotography section. I wanted to check this lens in terms of its...
Mercury transit on November 11, 2019
This week commenced with a rare celestial event, which is the transit of Mercury across the solar disk. Unlike the last event such as this, what occurred exactly 3,5 years ago, I had no...
H-Alpha filter in an exceptional observations of solar phenomena
In this short post, I would like to share with you my ideas, on how can we use the Hydrogen-alpha filter for solar observations during exceptional situations. The situations, that I am going to...
ISS transit across the Sun & Moon
The International Space Station (ISS) is a habitable artificial satellite in low Earth orbit. This is the largest human-made body in low Earth orbit. The width of ISS is 108.5 m and its length...
Watching the sky with Krosno branch of Polish Society of Amateur Astronomers (PTMA)
In this article, I would like to describe my a few years of adventures in the Krosno branch of the Polish Society of Amateur Astronomers, where I could develop my noble hobby. Except for...
The transit of the Mercury on May 9, 2016
Exactly 3 days ago (on 9th May 2016) Mercury crossed the entire face of the Sun. Everybody in Britain (and Poland as well) could observe the transit of the smallest planet in the Solar...