The problem of the location details of the observatory in the South Hogwarts area in "Legacy of Hogwarts" is a bit difficult to solve, but the editor tells everyone not to worry. In fact, there is nothing more to solve this problem than these. The steps are very simple, follow the editor's steps and you will be able to solve it immediately.
In "Legacy of Hogwarts", there are a total of 15 observatories in the game. You can start collecting them after completing the main mission "Astronomy Lesson". Interact with the telescope and zoom and rotate to observe the constellations to complete the collection.
Open the large map and zoom in on the current area to view the observatory's collection progress in the upper right corner. After observing a certain number of constellations, don’t forget to collect the rewards manually under the Challenge → Explore → Find Observatory page.
I believe that after reading the guide brought by the editor, you will have a clear idea of the solution to this problem. So what are you waiting for? Come into the game and give it a try. As long as you don't miss any of the steps of the editor, you can easily solve this problem.