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 […]

Making a good decision with the DSLR lens purchase

Nikkor Lenses DxOmark

Everyone, who owns the DSLR camera, knows the pain. There is no universal lens, which would cover all our needs. Even if you pick up the most versatile kit, you might suffer some inconveniences caused by faulty manufacturing. It will result in not enough sharpness at the extremal enlargement or vignetting, aberration, etc. The sad … Read more

The role of contrast in ability of human vision

Stevens brightness law

The contrast issue has been mentioned in this article, and either during the description of the role of horizontal visibility in long-distance observations. Because the information is not sufficient enough for my further studies I would like to point out more matters arising out of the contrast in a general sense. These elements are very … Read more

How to get the floorplans from the MagicPlan app for free?

Magicplan floorplan

The Magicplan is an Android application, by which we can quickly draw the floorplan of any building i.e. camera scanning or corner defining. The spectrum of options looks wide, even in the free bundle because we can add some internal objects and furniture. This is the stuff, which is mostly needed for common work projects. … Read more

Happy New Year 2020 to everyone!

Happy New Year 2020

Well, we are entering the last year of this decade according to the Gregorian Calendar. However, the forthcoming year begins somewhat the new decade, which is the 20s of the XXI century. Wow! The 90s, for example, wasn’t really that long ago I could say. Anyway, straight after beginning if this article I would like … Read more

Upload vector layers to Windy.com in order to check the weather for your trip

KML layer at Windy.com

It’s been about half a year since Windy.com launched an option to upload .kml, .gpx and .geojson files into the weather map. It happened thanks to the Leaflet-kml plugin, available here. Apart from the Leaflet Javascript API map software, where we can use this plugin for loading our own .kml files, we can add them … Read more

6 logistic hints for a beach day with your toddler

Toddler on the beach

Probably you heard a lot of sentences and conclusions from your kids or friends, that if you have a very small baby is hard to take it somewhere. In fact, when your baby is younger, that 1 year, be prepared, that everything touched by your kid will eventually be landed in its mouth. Another thing … Read more

Excel Spreadsheet batch data geocoding for GeoJSON and JSON files

GeoJSON output in Leaflet

Recently I was dealing with geotagging single addresses in Google Maps and other easily accessible tools. However, the stuff, that I focused on is playing around with single placemarks only. I believe, that this operation is much more useful when we take into account not only the address but other details, related to this place. … Read more

H-Alpha filter in an exceptional observations of solar phenomena

Mercury in H alpha near Sun

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 take into account are mostly solar eclipses, but also internal planet transits.  We have less than 2 months to Mercury transit … Read more

Dubai 21X21 – How to visit 21 must see in Dubai having only 21 hours?

Dubai marina

Recently I described my amazing experience with the highest skyscraper in the world – Burj Khalifa. Today I would like to share with you my stopover in Dubai, where I was planning to see another 20 must-sees. Dubai is one of the biggest cities in the Middle East with a well-being economy, that has been … Read more

The fastest way to execute UK address list using MySQL and PostgreSQL

UK Address list SQL

The United Kingdom addresses are specific because usually, a single postcode applies to a single building or at most a compact group of properties. It means, that these objects can be found very quickly, even when we are facing a bulk of addresses. Imagine, that under one unique postcode, you have a dozen or so … Read more

Xiaomi Mi 9 6GB 128 GB (Global version) test, part 2 – night photography facilities

Another part of my photography test of the Xiaomi Mi 9 6GB 128GB (Global Version) refers to the low light conditions. Frankly speaking, likewise daytime photo & video facilities there is no big difference between the current model and the previous one – Mi 8. No big difference does’ mean, that there is no difference … Read more

Short heat plume with record-breaking temperatures

UK Heatvawe 2019

Late July is usually the hottest period in Europe, especially in the countries located further from the Atlantic influence. Unless we are talking about the areas, that lie close to the western shore, then the highest temperatures fall in August usually. Living in Poland I always deemed this period of the year as something like … Read more

How to make an isochrone map in Google MyMaps quickly?

Google Mymaps isochrone map

The Isochrone map shows how much time we need to travel between one location and another. This kind of map is very useful in geography, hydrology, transport and urban planning. In this article, I focus on transport planning only. There are a few major services, offering the isochrone map generations “for free” relatively quickly. Unfortunately, … Read more

Xiaomi Mi 9 6GB 128 GB (Global version) test, part 1 – all daytime photo & video facilities

After a short adventure with Xiaomi Mi 8 128GB global version, bought by my wife I decided to get a newer model – Mi 9. The smartphone is pretty much similar to its previous counterpart, although it has been upgraded with a few useful options. Traditionally I would like to cover the photography facilities in … Read more

Boeing 787-9 Dreamliner flight images procesing

Boeing dreamliner image postprocessing

In this short post, I would like to show you a way how to relatively quickly process the images, taken through the Boeing Dreamliner 787-9 window. Initially, an issue sounds very silly, although knowing the cabin crew policy during your flight you can be really disappointed when you want to take some pictures outside of … Read more

How to make the custom Stellarium landscape using Street View?

Street View in Stellarium

If you like watching the night sky, you must have been using at least one of the stargazing (night sky) apps or software. Mustn’t you? One of the most popular software, which is both easy to use and contains most of the relevant stuff for night observers is Stellarium. The current version of this program … Read more