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User Guide for S&T's Mobile Sky ChartHorizon View
This display represents a naked-eye look at the sky from the horizon to about two-thirds of the way up toward the zenith. Compass directions are indicated at bottom, along with the time. Altitude is indicated at left; 10° is roughly the width of your fist seen at arm's length.
To zoom in, press the 5 button up to five times. To zoom back out, press the 0 button.
To pan around the sky, press the Up, Down, Right, Left, 1, 2, 3, 4, 6, 7, 8, or 9 buttons.
To change your observing location, return to the Main Menu and choose Settings, then ZIP Code.
To change the date, time, or chart labels, press Select or return to the Main Menu, and choose Settings, then Chart Options.
All-Sky Chart
This display is a map of the entire sky now visible. Hold the phone out in front of you and turn it around so the label along the curved edge matching the direction you're facing is right-side up. The curved edge represents the horizon, and the stars above it on the map now match the stars in front of you. The farther up from the map's edge they appear, the higher up they'll be in the sky.
The center of the map is the zenith, the point in the sky directly overhead. So a star halfway from the edge of the map to the center will be halfway from straight ahead to straight up.
To zoom in, press the 5 button up to five times. The portion of the chart now displayed will be indicated at upper left. To zoom back out, press the 0 button.
To pan around the sky, press the Up, Down, Right, Left, 1, 2, 3, 4, 6, 7, 8, or 9 buttons.
To change your observing location, return to the Main Menu and choose Settings, then ZIP Code.
To change the date, time, or chart labels, press Select or return to the Main Menu and choose Settings, then Chart Options.
