Contrast

Several important reasons why you should see the 2026 solar eclipse

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Total solar eclipse 2026 and aurora

It’s still quite a lot of time to the 2026 total solar eclipse event, which has been already considered by me in terms of the possibility of seeing its impact on the atmosphere when the phenomenon happens below the horizon.  However, the character of this path of totality requires attention far earlier than normal, as … Read more

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

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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

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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