September 27, 2021
by chris
0 comments
Today Landsat 9 was launched. As i mentioned before i typically do not discuss Earth observation satellite launches here because the more interesting and practically meaningful date is when the data starts becoming available. But i make an exception for … Continue reading
September 25, 2021
by chris
0 comments
Satellite images and their use have become much more popular in recent years. There was already an earlier wave of broader popularization of satellite imagery with image layers being widely introduced in popular map services on the internet between about … Continue reading
September 13, 2021
by chris
0 comments
The title of this section should be interpreted loosely this time – i have not discussed new developments in the domain in general for some time now so some of the news are more than a year old already. There … Continue reading
September 3, 2021
by chris
1 Comment
I am pleased to announce an update to my global satellite image product Green Marble. The Green Marble is a medium resolution whole earth image offering an unsurpassed uniformity in quality across the whole planet surface on both water and … Continue reading
March 22, 2021
by chris
0 comments
I am a bit late this year but i wanted to continue with my tradition to publish a yearly analysis of the recordings of the two currently operating high resolution open data producing earth observation satellites recording in images in … Continue reading
January 28, 2021
by chris
0 comments
Compared to the previous years this winter seems to turn out to be relatively snow rich in many parts of Europe. On this occasion here a few satellite image impressions of that. First a view of snow in the lower … Continue reading
October 12, 2020
by chris
0 comments
After more than a year without changes i added a number of new images for mapping in OpenStreetMap to my collection. The reason for the gap was that i needed to make some changes to allow the setup to scale … Continue reading
August 28, 2020
by chris
0 comments
I have shown both summer and winter images of the South Sandwich Islands here before but a recent good weather window offered an opportunity for a much better winter view based on Sentinel-2 data. Sea ice extent is pretty far … Continue reading
August 20, 2020
by chris
0 comments
Last week there were a few days of exceptionally good weather in parts of the Russian arctic and this allowed me to assemble a cloud free satellite image mosaic of Severnaya Zemlya – an archipelago i have featured here on … Continue reading
June 10, 2020
by chris
0 comments
When i announced the Green Marble mosaic version 2 mosaic recently i mentioned that the land coloring is based on MODIS data while the water color is created from Sentinel-3 data. There are multiple reasons for this choice of data … Continue reading
June 1, 2020
by chris
0 comments
During the last few days there has been very sunny weather in large parts of northern Europe – here an unusually clear view from Sentinel-3 for the Scandinavian peninsula.
May 18, 2020
by chris
0 comments
Yesterday 40 years ago in 1980 was the date of the first major volcanic eruption that was recorded by earth observation satellites. There is also imagery of the eruption itself but the more interesting images are those recorded before and … Continue reading