Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
Click and drag to rotate
Change limiting magnitude to see more/fewer stars
Touch with mouse to dismiss
The wheel above shows the entire sky that is visible from
Change the limiting magnitude to see more or fewer stars.
To change the displayed time, use the time and date controls at the top.
By clicking and dragging the wheel, you can turn it to place different green compass points
at the bottom. If you stand outside and look in the direction you have chosen, the stars at
the bottom of the wheel will match the ones you will see above the horizon in that