Android companion to Good Night System - the astronomical observatory safeguard.
With this app, your observatory will be monitored while you sleep... at last, and should anything go wrong, your Android device will wake you up.
Before purchasing, please download and try the "Nap edition" app to check everything runs fine.
For more information, and to download the free Windows application, visit https://lunaticoastro.com/gns-observatory-monitoring/