1887

oa Journal of the Astronomical Society of South Africa - Photographic astrometry with long focus telescopes

Volume 3, Issue 2
  • ISSN :

 

Abstract

The first celestial photograph was taken by William C. Bond in 1850, when he was Director of the Harvard Observatory. This was an old-fashioned daguerrotype, whose usefulness was limited by its comparative insensitiveness. Later the wet collodion process provided the means of some advancement. But it was not until the invention of the dry plate that the era of photometric astrometry really began.

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/content/assaj/3/2/AJA0000014_21
1932-01-01
2019-10-15

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