Faster and more stable than the [competition] - AW.

NightSky is a comprehensive simulation of the celestial sphere uniquely providing 5 views both in landscape and portrait screen modes:

• Equatorial - view the whole sky in one go,
• Polar view of Northern hemisphere stars,
• Polar view of Southern hemisphere stars,
• Sky - the visible sky directly above day or night.
• Horizon - unique view of the sky you would see by directly looking at the horizon.

Other features include:

• Navigate the NightSky using your stylus or GPS,
• Constellation selection screens,
• Named Object database,
• Zodiac symbol display,
• Moon phase calandar,
• Realtime display of Sun, Moon and the Major planets including distance and astronomical position,
• Acquire Position and Time from your GPS,
• Select your position from a comprehensive world city database.
• Track what you can see in the sky by slaving Horizon view to your GPS heading,
• Selectable files for stars, constellations and Named Objects,
• Scale lines for Horizon, Ecliptic and Galactic Equator.
• Realtime data calculation - no need for remote data access.

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