 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Analemma Observed in Taipei, Taiwan

   December 10, 2021

    Analemma1630_0923_169

   Photographer:  Meiying Lee
   Summary Authors:  Meiying Lee;  Jim Foster
   This  analemma was captured in Taipei, Taiwan, from September 22,
   2020 to September 23, 2021. All images were shot at 4:30 p.m. local
   time, using a solar filter, from the same viewing platform on a
   hillside east of Taipei. Each white dot represents the position of the
    Sun. The summer solstice is at upper right, and the winter solstice
   at lower left. Note that because of Earth's 23.5-degree  axial tilt,
   the figure 8 appears stretched out. Also, if Earth had a  circular
   orbit, both lobes of this figure 8 would be the same size.

   Due to heavy winter and spring rains and frequent summer afternoon
   thunderstorms, out of 46 trips to this location only 30 images were
   usable, resulting in uneven gaps in the analemma. Therefore, this
   analemma also documents the afternoon weather in Taipei during the
   course of these 12-months. Note that the tall building in the
   foreground is  Taipei 101 (1,667 ft or 508 m).

   Photo details: Images composed by stacking in  Startrails.
     * Taipei, Taiwan Coordinates: 25.033611, 121.565

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Sun Links

     *  NASA Solar Dynamics Observatory
     *  NASA Solar Eclipse Page
     *  NOAA Solar Calculator
     *  The Sun-Earth Connection: Heliophysics
     *  The Sunspot Cycle
     *  Solar System Exploration: The Sun
     *  The Sun Now
     *  This Week’s Sky

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   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

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