Use APKPure App
Get Aurora Notifier+ add-on old version APK for Android
Provides AuroraNotifier with your coordinates
This is an add-on package for AuroraNotifer. It provides location for AuroraNotifer so that it can tell you when it's dark outside among other things.
Install this package, then restart AuroraNotifier. There should then be a "+" after the app name and your location should be marked with a red dot on the globe.