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| View Original: | Analemma earth.svg (100x100) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Analemma earth.svg en --------------- This is a plot of the position of the sun at 12 00 noon at en Greenwich Observatory England en latitude 51 4791 deg north en longitude 0 during the year 2006 The horizontal axis is the azimuth angle in degrees 180 degrees is facing south The vertical axis is the altitude in degrees above the horizon The first day of each month is shown in black and the en solstices and en equinoxes are shown in green It can be seen that the equinoxes occur at altitude φ 90 - 51 4791 38 5209 degrees and the solstices occur at φ±ε where ε is the en axial tilt of the earth 23 439 degrees This plot was constructed using altitude and azimuth data generated by JPL Horizons -------------- own Xakej8p6cha3eyuh http //commons wikimedia org/wiki/File Analemma_Earth png The data was collected using through JPL Horizons Plotting was done with MATLAB and SVG conversion with plot2svg m Astrometry | ||||
