How bright the starlight is?

Albany, WA, Starlight

A vast majority of people around the World don’t realize something like starlight. Nowadays, when skies are highly polluted with light, most people cannot even see the Milky Way in the sky. It’s known history, that during a huge power cut in Los Angeles in 1994 people were calling authorities, asking them what is this … Read more

Top 21 things to see during solar eclipse

Total solar eclipse 2017 Wyoming Riverton

At the finish of my considerations about the solar eclipse phenomena observations, done during the last total solar eclipse in the USA as well as another few partial solar eclipses, which I have been fortunate to witness in my life, I would like to summarize all things and put them in one piece. I was … Read more

One day trip to Uzhanian National Park from Wołosate

Bieszczady z Pliszki

GENERAL INFORMATION ABOUT THE WOŁOSATE – ŁUBNIA BCP Wołosate is a small, and the southernmost village in Poland, which sticks to the Poland – Ukraine border in Bieszczady Mts. The only road, which leads across the village from Ustrzyki Górne is regional road no 897 with a 111km total length from Tylawa to the Poland-Ukraine … Read more

Top 10 intriguing things to see during solar eclipse

Solar eclipse 2017 96%

A solar eclipse is the most spectacular natural phenomenon, as we can see on Earth. It induces at least a dozen or so other events, which occurrence can be observed during this time. In this article, I would like to list 10 of the most intriguing and uncommon phenomena, which an observer is able to … Read more

Link management in Google MyMaps and KML files

Google Earth link management

Google MyMaps is a very useful tool for people, who want to create their own map and base it on the Google Maps interface. Personally, I use it quite often, especially when planning some journey or placing some interesting objects across the World or some region. An important thing is to refer the stuff, prepared … Read more

The movement of prominences against the lunar disk during total solar eclipse

TSE 2017 prominence movement

Except for many phenomena related to the total solar eclipse, that I observed away from the Sun there is one, which is worth attention. This is a prominences movement against the lunar disk, as we can observe during totality. As we know, everything moves in the sky. A fleeting solar eclipse is an effect of … Read more

Photography of the Sun through a natural filters

Sun through fog

Gazing at the Sun with the naked eye is dangerous. Much more dangerous is watching the Sun through instruments like binoculars or telescopes without a filter! It causes serious eye damage, which is a retina burn and blindness for the rest of your life. Basically, there are two types of solar filters: white light and … Read more

How the lunar shadow looks like during the solar eclipse?

Lunar shadow seen from MIR TSE 1999

The area covered by umbra is the most spectacular of the whole solar eclipse phenomenon, therefore I would like to pay particular attention to this. Because I was watching the totality only once, I am going to use some supporting materials next to my own pictures. How the lunar shadow looks? We can consider it … Read more

Input multiple address list to Google Maps and Google Earth – the quickest way

Excel address list in Google MyMaps

Google Maps, as well as Google Earth, are very useful tools in terms of location finding. A user can find a proper address quickly in any place in the World. Sometimes we are obligated to find multiple locations for different purposes. Then it can be a problem for someone, who must have a multitude of … Read more

A short adventure with lunar eclipse

Total lunar eclipse 2019

A total lunar eclipse occurred recently on Monday 21st of January (Pic. 1). For me, it was the next opportunity to see this rare phenomenon, especially because I couldn’t make it in July 2018, due to thundery weather. This time the weather forecast seemed to be more favourable a few days before the eclipse, although … Read more

Sky brightness changes during total solar eclipse

Sky brightness changes total solar eclipse

Recently I have shown the light level changes during the solar eclipse. The illumination level is strongly related to the sky brightness. Both of them change at the same time throughout the eclipse. In this article I would like to focus on these changes, having external data from Wolfgang Strickling. Because his observation venue was … Read more

Light level measurements during total solar eclipse

Total solar eclipse 2017 Wyoming

The illuminance level and sky brightness are very important elements of solar eclipse phenomena because both are clearly noticeable by the observer along with his eye adaptation. When the eclipse phase is deep and turning into totality, the light level changes drastically, much quicker than on any other occasion. It makes the solar eclipse one … Read more

Visual range changes during solar eclipses

Owl Creek Mountains extended visual range total solar eclipse

A solar eclipse is a magnificent natural phenomenon, during which the direct Sun is shadowed by the moon to darken the daytime sky (Vollmer, Shaw, 2018). In this article, I would like to draw your attention to another phenomenon, which I “discovered” accidentally during the Great American Eclipse – the visual range changes. 1. INTRODUCTION … Read more

Should Mediterranean people be prepared for a tropical cyclone?

Mallorca flood

In this article, I would like to try to answer the question in the title. I based my suggestions on the last weather patterns, that used to happen in the Mediterranean region for the last several autumnal periods. Besides I was  (un)fortunate to experience similar weather phenomena during my stay in Mallorca in December 2016. … Read more

Light scattering in the atmosphere during total solar eclipse

Lifght scattering in the atmosphere total solar eclipse

The light scattering issue in the Earth’s atmosphere has been described recently for typical daylight, evening, and twilight conditions. In this article, I would like to explain a light scattering phenomenon under total solar eclipse conditions, which was observed accidentally during the 2017 Great American Eclipse. Initially, the aim of my observation was a record … Read more

Horizontal visibility as the main factor of long-distance observations, part 2 – contrast, human perception and weather forecast

Bryce Canyon horizontal visibility

In the 1st part of this article, I have explained the relationship between visibility and weather conditions as well as an astronomical factor and light scattering issue. Now I would like to explain the contrast phenomena and human eye perception of the view, which are also integral elements of long-distance observations. Recently the contrast issue … Read more