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The Hungarian Astronaut and the crew members of the AX4 mission will observe TLEs from the International Space Station. This is the UHU project.
Latest news, updates
The first TLEs found in the UHU project-related observations made from the ISS
July 18., 2025
During preliminary quality checks of the videos recorded during Axiom Space’s Ax-4 mission in the framework of the UHU Earth Observation experiment, we identified two distant ELVES , captured by Ax-4 mission commander Peggy Whitson on July 4 while flying over the Philippines and Eastern Indonesia. These are the first lightning-related optical flashes... Details »
The space mission ended, the ground campaign continues
July 15., 2025
The Ax-4 crew has left the ISS on 14 July so the mission to observe TLEs from up there has come to an end. Evaluation of the observations is underway. Nevertheless, the ground campaign to observe TLEs continues until the end of July, so we encourage you to keep an eye on the lightning activity in your area and also keep your camera ready! Summer nights are filled with... Details »
Status update
July 11., 2025
A few UHU project-related observations have already been made by the Ax-4 crew from the ISS. So far, we could access only a fraction of the recorded observation material. Basically, this allowed only qucik quality checking of the videos. Lightning has been surely recorded from space by the AX-4 crew. Detailed search for TLEs is yet to be done. A magnificent Gigantic... Details »
Hints on possible ISS-UHU joint observations are on Facebook
June 28., 2025
The AX-4 mission is happening on the ISS and we produce a list of observation targets for the astronauts daily. Whether any of the forecasted targets will be executed depends on the schedule of the crew and we get to know that only later. Thunderstorm targets that can likely be monitored by ground-based observers, too, are indicated regularly in the Facebook... Details »
