Data is calculated for current system time what is converted and displayed as universal time. Data is shown, except for Aries, if the respective body is above the horizon, regardless of the usability for observation. All positional data is displayed as degrees, arcminutes, and tenth of arcminutes. Data is calculated for arbitrary assumed position on earth that can be entered as latitude and longitude in units of degrees, arcminutes and tenth of arcminute. Additionally, calculated and displayed are corrections, that is refraction, apparent semidiameter, parallax, and the sum of these for aiding in correcting sights of the bodies taken by a sextant. Additional full data is shown for Polaris and the GHA of Aries.
Updated Apr 20,2018 Size 28.32 MB Age Everyone Architecture Description Calculate and display, in textual form, Greenwich hour angle, declination, height computed and azimuth of the 57 navigational stars as listed in the Nautical Almanac, the four navigational planets, Venus, Mars, Jupiter and Saturn, the Sun and the Moon.
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