Step 1

It is necessary to use a browser connected to the Internet, be it a mobile phone, a computer or a tablet and accept to share the location.

Step 2

The following conditions must be met:

  • The Sun is 10 degrees below the horizon.
  • The Moon is below the horizon.
  • No clouds in the area to be examined

  • Step 3

    In the top menu bar, click on the icon "NightTime" and allow a minimum of 15 minutes for the visual capacity to adapt to the night. This is the so-called visual adaptation process.

    Step 4

    In the top menu bar click on the "Measure" menu option and press Magnitude + / -

    Step 5

    You have to look north. If you do not know which direction it is, use any compass or GPS application.

    Step 6

    Click on Magnitude + / - so that the map in the box looks more like the observed sky.
    You can use Rotate + / - and Zoom + / - to facilitate the search.
    Remember that the zoom must be 100% to measure.

    Step 7

    Once the measurement is complete, click on the "Save" button.