Units
Temperature, dew point, wind speed and the Moon's distance.
Time format
Times are always shown in the local time of the place you're looking at.
Theme
Red-light mode turns everything — charts, maps and the aurora globe — into dim reds so your eyes stay dark-adapted at the eyepiece. Toggle it any time with the eye button in the header.
Default location
Save places from the location picker (tap the place name at the top) to choose one here.