Victorian astronomy drawings (plus gypsy moths)

Jupiter, observed Nov. 1, 1880The New York Public Library has digitized and uploaded a gallery of astronomy drawings made in the late 1800s by French artist Étienne Léopold Trouvelot and they are gorgeous.

A staunch Republican (of the French variety, not the US variety), Trouvelot fled France when he was just 24 years old after Louis-Napoléon’s December 2, 1851 coup d’état. By the time President Louis-Napoléon Bonaparte had crowned himself Napoleon III exactly one year later, Trouvelot was living in the United States with his family. He settled in Massachusetts in 1855, earning an income as an artist.

A member of the Boston Society of Natural History, Trouvelot was an amateur entomologist with a particular interest in silkworms. That interest was more than a minor hobby. By 1865, he had a million Polyphemus moth caterpillars living in bushes in his backyard under a vast net. His aim was to improve the health of the disease-prone caterpillars so their silk production would improve. In aid of this, he had the brilliant idea to breed them with a hardier creature: the gypsy moth.

Even in 1868, the gypsy moth already had a reputation as a destructive invasive species. Trouvelot was convinced he could control them, though, so in the winter of 1868/69, he returned from Europe with a clutch of gypsy moth eggs which he put in a tree in the backyard thinking his netting would keep them from spreading. Nature lol’d and with a soft breeze blew the eggs into nearby woods. Trouvelot tried to track them all down but of course couldn’t. He alerted his neighbors and entomologists but none of them did anything.

And thus the gypsy moth was introduced to the US. By 1886, his suburban Boston neighborhood was saturated with the beasties. By 1890, the entire state was. The federal and state governments tried to eradicate the pest, but failed miserably. By 1898 the moths had spread south to Virginia and west to the Great Lakes. Today gypsy moths live all over the contiguous US and cause an estimated $868 million of agricultural damage a year.

Meteor shower, November 13-14, 1868After this mess Trouvelot decided to direct his scientific interests to non-entomological pursuits. He had already begun to draw astronomical phenomena like meteor showers and auroras in the late 1860s. Joseph Winlock, director of the Harvard College Observatory, admired his illustrations and hired Trouvelot to work for the observatory. Space photography had existed for a couple of decades by then, but although the technology was constantly improving, drawings were still considered the most accurate depictions of astronomical phenomena.

Sun spots and veiled spot, June 17, 1875For the next few years Trouvelot made hundred of sketches of what he saw through the observatory’s 15-inch refractor telescope. In 1875 he published a discovery of his own: veiled spots, grey patches that look like shadows on the surface of the sun. He then moved on to other observatories, including the Washington Observatory and the University of Virginia’s.

In 1881, he selected 15 out of his thousands of astronomy drawings to be published in a book using then-cutting edge chromolithography technology, a color printing process that made color illustrations cheap and plentiful. It’s those chromolithographs that the New York Public Library has digitized. Trouvelet described his work thus:

“With a view to making these observations more generally useful, I was led…to prepare, from this collection of drawings, a series of astronomical pictures, which were intended to represent the celestial phenomena as they appear to the trained eye and to an experienced draughtsman through the great modern telescopes provided with the most delicate instrumental appliances…. While my aim in this work has been to combine scrupulous fidelity and accuracy in the details, I have also endeavored to preserve the natural elegance and the delicate outlines peculiar to the objects depicted….”

Goal achieved, I’d say.

Aurora Borealis, March 1, 1872 The moon's Mare Humorum, 1875 Mars, observed September 3, 1877 Total eclipse of the sun, observed July 29, 1878

Compare his illustrations to period photography of astronomical phenomena in this NYPL gallery. Trouvelot’s work is far more accurate as well as incredibly beautiful.

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4 Comments »

Comment by Luke
2012-01-14 13:00:52

These would make very very trendy posters…

Comment by livius drusus
2012-01-14 17:37:01

They would, I agree. They’ve got an almost Art Deco feel to them. Trouvelot’s style was ahead of his time.

 
 
Comment by edahstip
2012-01-14 18:17:35

After the gypsy moth fiasco, I was wondering if his artistic endeavors would lead to some other catastrophe, but alas real life doesn’t always make an enjoyable story.

Comment by livius drusus
2012-01-15 03:30:24

There, there… At least the gypsy moth fiasco is an ongoing catastrophe.

 
 
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