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1794. A Map Exhibiting the Dark Shadow of the Moon over England and Other Parts of Europe, In the Five Great Solar Eclipes, Of the Years, 1715, 1724, 1737, 1748 and 1764 . . .

  • A Map Exhibiting the Dark Shadow of the Moon over England and Other Parts of Europe, In the Five Great Solar Eclipes, Of the Years, 1715, 1724, 1737, 1748 and 1764 . . .

A Map Exhibiting the Dark Shadow of the Moon over England and Other Parts of Europe, In the Five Great Solar Eclipes, Of the Years, 1715, 1724, 1737, 1748 and 1764 . . . information:

Year of creation: 
Resolution size (pixels): 
 2014x2030 px
Disk Size: 
 1.31807MiB
Number of pages: 
 1
Place: 
 London
Author: 

Print information. Print size (Width x height in inches):
Printing at 72 dpi 
  27.97 х 28.19
Printing at 150 dpi 
 13.43 х 13.53
Printing at 300 dpi 
 6.71 х 6.77

Unusual Eighteenth-Century Map of Solar Eclipses over Europe

Rare, separately-issued map showing the solar eclipses of 1715, 1724, 1737, 1748 and 1764, including the famous 1715 Halley’s Eclipse, named for the pioneer of eclipse mapping, astronomer Edmond Halley.

This map, centered on London, shows the paths of total (1715, 1724) and partial (1737, 1748, 1764) solar eclipses that were visible from Europe. The extent of the map includes Ireland, England, Scotland, and parts of continental Europe including Germany and France. Each eclipse is labeled with its date and depicted as a shadowed path. The shadowed path design is visually impactful and a clear way to communicate how the moon passes in front of the sun.

The eighteenth century was the Golden Age of eclipse mapping, pioneered by Edmond Halley. Halley is renowned for predicting the path of the 1715 eclipse within twenty miles of accuracy and within four minutes of the time of totality. Halley was at the forefront of what would become widespread public fascination with eclipses and other astronomical events.

Astronomy as an accessible public science, something any person could observe by standing in the right place, continued to gain popularity. At the time, astronomical events were often conflated with astrological beliefs; eclipses were seen as equally exciting and ominous. Given the widespread public interest, major eclipses near a commercial hub such as London provided numerous business opportunities leading up to events.

The map was created in an azimuthal equidistant projection centered on London. Azimuthal maps show the world in 360 degrees radiating from a central point; they are particularly useful for mapping astronomical occurrences and polar regions. Gerard Mercator used this projection for his polar region inset maps on his famed 1569 world map, and it has been in wide use since the Renaissance for star charts and planispheres.

As a side note, dates on this map prior to 1750, when Great Britain changed to the Gregorian calendar, are recorded in the Julian calendar. Therefore, while Halley’s Eclipse is labeled April 22nd, 1715, modern viewers will be more familiar with the date of May 3, 1715.

This is the second edition of the map, which was first published by Robert Sayer in 1787. A note along the bottom margin indicates this example was published in London by Laurie and Whittle, employees of Robert Sayer, at No. 53 Fleet Street.

Geoff Armitage, The Shadow of the Moon: British Solar Eclipse Mapping in the Eighteenth Century, (Tring, Herts, England: Map Collector Publications, 1997). ACA.

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Item information:

Year of creation:
Size:
2014x2030 px
Disk:
1.31807MiB
Number of pages:
1
Place:
London
Author:
Laurie & Whittle.
$14.99

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