Wilhelm Tempel and his 4-inch Steinheil Refractor

 

Wilhelm Tempel was a prolific discoverer of comets.

Wilhelm Tempel was a prolific discoverer of comets.

 

 

 

 

 

 

 

 

 

 

 

 

The 19th century German amateur astronomer, Wilhelm Tempel (1821-1889), has long been celebrated as one of the most prolific comet hunters in history. What most folk fail to appreciate is that he did the majority of his work with a fine 4-inch Steinheil achromatic refractor (where the flint element is placed ahead of the crown). This is his inspiring story.

See here.

 

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