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Solar eclipse of September 7, 1820

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Title: Solar eclipse of September 7, 1820  
Author: World Heritage Encyclopedia
Language: English
Subject: 1820 in science, Solar eclipses, Solar Saros 110, Solar Saros 112, Solar Saros 113
Collection: 1820 in Science, 19Th-Century Solar Eclipses, Annular Solar Eclipses, Solar Eclipses
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Solar eclipse of September 7, 1820

Solar eclipse of September 7, 1820
Map
Type of eclipse
Nature Annular
Gamma 0.8251
Magnitude 0.9329
Maximum eclipse
Duration 5m 49s
Coordinates 51.6N 8.7E
Max. width of band 432 km
Times (UTC)
Greatest eclipse 13:59:58
References
Saros 122 (47 of 70)
Catalog # (SE5000) 9091

An annular solar eclipse occurred on September 7, 1820. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide.

Contents

  • Observation and prediction 1
  • Related eclipses 2
  • Notes 3
  • References 4

Observation and prediction


This map was draw in the book Elementa eclipsium, published in Prague in 1816, by Franz Ignaz Cassian Hallaschka (František Ignác Kassián Halaška) (1780-1847), contained maps of the paths of solar eclipses from 1816 and 1860. The geometric constructions used by Hallaschka anticipated the standard theory of eclipses later developed by Friedrich Wilhelm Bessel.[1]

Related eclipses

It is a part of solar Saros 122.

Notes

  1. ^ Historical eclipses in Europe

References

  • NASA chart graphics
  • Googlemap
  • NASA Besselian elements
  • Elementa eclipsium by Cassian Hallaschka, 1816
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