Solar eclipse of September 7, 1820

Last updated
Solar eclipse of September 7, 1820
SE1820Sep07A.png
Map
Type of eclipse
NatureAnnular
Gamma 0.8251
Magnitude 0.9329
Maximum eclipse
Duration349 sec (5 m 49 s)
Coordinates 51°36′N8°42′E / 51.6°N 8.7°E / 51.6; 8.7
Max. width of band432 km (268 mi)
Times (UTC)
Greatest eclipse13:59:58
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

Solar eclipse 1820Sep07 Hallaschka map.png

This map was drawn 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]

It is a part of solar Saros 122.

Notes

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Franz Ignatz Cassian Hallaschka

Franz Ignatz Cassian Hallaschka; Czech: František Ignác Kassián Halaška was a Moravian physicist.

References