Please provide the name of the observatory, its coordinates and select the type of dome from the list. Optionally, you can add a short description, picture of the observatory, link to your website and email.
The coordinates of the observatory can be entered from the map by clicking on it with the right mouse button. Before clicking, it is worth zooming in on the map to indicate the exact place.
Finally, select the "I am a human" option and press the "Add marker" button.