Sirius is the largest having a magnitude of -1.47. View Controls You can click on a component of the control panel to change the view. Type the desired numbers to increase or decrease the values. Latitude can also be set to that of a major city. Note that longitude does not have any bearing of the sky view.
Longitude is offset by time.
The sky is the same at 11pm in Tokyo as it is at 11pm in London. This applet is a work in progress.