App dedicated to smart contact search.
If you see something in the sky, initiate contact, sending a notification to the users of the app so that they can look at the sky, you will also have a history of sightings.
No registration is necessary, you just have to activate the application, using the location button in the upper right corner, to start receiving Notifications, if you do not want to receive notifications, deactivate the Button, to delete your user, use the button of information.