Venus and the Pleiades together on the sky – understanding the great Venus orbit cycle, part 1

Venus and Pleiades every 8 years

The biggest celestial event in April 2020 was definitely the meeting between our closest planet Venus and one of the most renowned open star clusters – the Pleiades. The phenomenon was interesting due to its rarity. Throughout our life it will happen every 8 years, but what’s next? This article brings you not only the … Read more

Travelling & Sightseeing from home

Google Trekker

Now is not the best time for traveling around the world, because it’s restricted due to the coronavirus outbreak worldwide. Nevertheless, if our life is affected by a pandemic or not, this type of sightseeing always has pros. 1. REASONS FOR TRAVELLING & SIGHTSEEING FROM HOME The rudimental reason for it is the preparation for … Read more

RAW image noise removal with the OpenSource image processing tools

RAW photo denoise various softwares

Noise is a ubiquitous feature for all images, which we take.  It’s expressed by random speckles present on our image, which we can compare to the film grain for analog cameras. Unfortunately, noise can seriously deteriorate the quality of our image. It is only one side, where the noise can play a positive role – … Read more

Solar eclipse below the horizon 2019 – the World’s first webcam observation

Pinamar total solar eclipse below the horizon 2019

My third remote observation of the solar eclipse was aimed at the fleeting lunar shadow when the Sun was already below the horizon. Previously I hadn’t had occasion to see a similar effect, as I watched the partial phases only. This observation was spectacular, because of the circumstances. I know only a few publications presenting … Read more

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 […]

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

How Cambridge looks like by night?

I would like to show you some pictures taken at night in Cambridge – the city, where I have been living for nearly 5 years.   Cambridge punting – Scudamore company flat-bottom boats are seen from Bridge Street. Scudamore company is the largest punting association in Cambridge, counting nearly 110 years. This punt follows up … 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

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