The aspect of light reflection in the long-distance observations

Northern Ireland seen from Helvellyn

This article presents the result of the longest distance observation in my life. Because it was an effect of the light phenomenon, not widely discussed by myself so far I decided to develop this topic, because of its influence on the far realing views during some specified conditions (tick haze trapped in low-level of the […]

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

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

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

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

Horizontal visibility as the main factor of long-distance observations, part 1 – weather, astronomical and optical elements

Navajo Mt Horizontal visibility

This article is sort of a continuation of issues related to light scattering in the Earth’s atmosphere as well as haze presence. These subjects are closely associated with each other, so some stuff presented here can be pretty much similar and it will be developed on the grounds of my previous articles. This 2-partial article … Read more

Why the haze is an important weather factor, part 2 – impact on visibility and light scattering

Haze impact on light scattering

This writing is a continuation of a whole article about haze as an important weather factor. Previously I have described the basic types of haze and I drew attention to the impact the atmospheric aerosols on human health. Now, in terms of the continuation, I would like to describe the impact of haze on the … Read more

Why haze is an important weather factor? part 1 – types of aerosol and impact on human health

Inwersja widziana z Karkonoszy

People when checking the weather forecast usually focus on standard weather factors like temperature, pressure, wind, precipitation, and cloud cover. There are weather elements important in our day-to-day life, unlike other elements like dew point temperature, humidity, haze level, etc. In this article, I would like to describe the importance of haze in forming weather … Read more

Light scattering in the Earth’s atmosphere part 3 – clouds, haze and surface

Light scattering on clouds

Previously I have described the light scattering mechanism on the smallest particles of the Earth’s atmosphere, where mainly the Rayleigh Scattering plays a role. Now is the time to round off this whole article and say something more about a different group of elements, that also contributes to the light scattering process. There are bigger … Read more

The quickest way to dehaze your photo for long distance observation purposes

IrfanView image dehave Mickleton UK

The basic way to remove the haze and color casts in your picture in open-source software is by using Gimp. This program can trivially easily do it for you, however, you must spend up to a few minutes adjusting your color preferences. Basically, the Gimp software is perfect for people, who want to enhance the … Read more