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GeoAstro Applets

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Juergen Giesen's GeoAstro Applet Collection Run my Java Applets for detailed solar and lunar data and observe the daily and annual path of the sun and moon for any location. Featured by "Science" Magazine Article in "Sky & Telescope" (June 2001) Griffith Observatory Star Award

How to run my Java Applets GeoAstro Applet Collection more than 65 applets listed below including the online documents. Moon Applets 14 applets: Sun,Moon&Earth, Sun&Moon Horizon, MoonPhase, MoonYear, MoonData, Elevation & Azimuth, Moon, Moon Motion; SunMoon Map, Moon Distance, Moon Libration, Moonlight, Elevation & Azimuth of the Sun, Elevation & Azimuth of the Sun & Moon Previews Sundial Applets 18 Sundials: Analemma Sundial, Horizontal Sundial, Pie Sundial, Cylinder Sundial, Sundial Box, Spider Sundial, Spider: Vertical and Polar Pointing Gnomon, North Finder, Bifilar Sundial, Cone Sundial, Babylonian, Italian, Unequal Hours Sundial, Pingre Sundial, Daylight Hours Sundial, Sidereal Time Sundial, Foster-Lambert Sundial, Azimuthal Orthographic, Gnomon, Horizontal and Vertical Sundial. 10 Additional Applets: Sun Data, Sunrise & Sunset (2), Declination & Equation of Time (2), Current Declination & Equation of Time, Azimuth & Elevation, SunClock, Twilight Clock, Sun Tables. Previews Ancient Sundials 8 Applets: Quadrans Vetus, Quadratum Horarium Generale (Regiomontanus), Capuchin Dial,  Apian Card Dial (2), Gunter's Quadrant, Quadrant, Planet Clock (Planetary Hours). Previews AstroClock Applets 7 Applets: Sun Clock, Twilight Clock, Sidereal and Solar Time, Local Sidereal Rime, Mean Local Time, True Local Time, Solar and Lunar Time. Previews More Astro Applets 7 Applets: Mercury and Venus Transit - Venus Transit Observer - Phases of Mercury and Venus - Planetary Motion of Mercury, Venus and Mars - Geocentric Motion - Transit Motion - Mercury and Venus Chaser's Calculator (J. Walker) Previews

GeoAstro Applet Collection:
Description:	Run applet:
Part 1 Sun, Moon, Planets, Stars	Planet Applet Sky Map Galilean Moons of Jupiter
Part 2 Sun and Moon Graphics	Sun, Moon & Earth (Jars Top 25%) New Sun & Earth (Jars Top 5%) SunMoon Map Sunshine (Jars Top 25%) Daylight (Jars Top 25%) Solstice Daylight Day & Night Sun Map (Day & Night Terminator) Simultan. Rise and Set, Equal Altitude Sun Shadow (Jars Top 25%) Sun & Moon Polar Sun position in polar coordinates Sun & Moon Azimuth at Horizon Sun & Earth Sun View Solar Eclipse Solar and Lunar Standstills Sun Plotter NEW Sun Plotter Solar Rotation Applet Pursuing the Sun
Part 3 Sun Data Applets	Sunrise & Sunset Rise and Set Worldwide Sun Data Sunrise & Sunset Table Night Hours Declination and Equation of Time Small Declination and E. of Time Azimuth and Elevation Diagrams Azimuth & Elevation Sun Azimuth at Rise and Set Seasons Elevation & Azimuth of the Sun Elevation & Azimuth of the Moon Elevation & Azimuth of the Sun & Moon Solar Rotation
Part 4 Moon	Moon Phases for a Year Moon Phase Moon Data Elevation & Azimuth of the Moon Moon Longitude of the Moon Moon Distance Moon Libration MoonLight
Part 5 AstroClocks	Sidereal and Solar Time Clock Sidereal Time Clock True Local Time Clock Mean Local Time Clock Twilight Clock Sun Clock Solar and Lunar Time Clock
Part 6 Sundials	Analemma Sundial Horizontal Sundial Pie Sundial Cylinder Sundial Sundial in a Box
Part 7 General Astronomy, Miscellaneous	Seasons Obliquity of the Ecliptic Precession Precession and Proper Motion Sky Precession Cosmology Applet Stonehenge Solving Kepler's Equation Azimuth at Solstice Eclipse Magnitude and Obscuration Atmospheric Refraction Lagrange Points Geocentric Planet Motion

More applets:

How to run the Applets More Java applets (no astronomy, source code included) JavaScript Astronomy: Sunrise, Sunset Table and more Mathematical Astronomy Books

How to compute the position of the Sun

How to compute the length of a day

Last Modified: 2023, Oct 06