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Harvard College Observatory

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description Harvard College Observatory Overview

Harvard College Observatory, founded in 1839 and located in Cambridge, Massachusetts, is one of the oldest astronomical research institutions in the United States. Under the directorship of Edward Charles Pickering (1877-1919), the observatory became renowned for its pioneering work in stellar spectral classification, much of it accomplished through the Harvard Computers program, which employed women including Annie Jump Cannon, Henrietta Swan Leavitt, and Williamina Fleming. The observatory's collection of more than 500,000 glass photographic plates constitutes one of the most important astronomical archives in the world.

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What is the Harvard College Observatory famous for?

Founded in 1839 in Cambridge, Massachusetts, the Harvard College Observatory is famous for pioneering stellar spectral classification. This was largely achieved through the Harvard Computers program, a team of women astronomers led by Edward Charles Pickering in the late 19th century.

Who were the Harvard Computers?

The Harvard Computers were a group of highly skilled women hired by Edward Charles Pickering to process astronomical data at the Harvard College Observatory. Notable members included Annie Jump Cannon, who developed the Harvard spectral classification system, and Henrietta Leavitt, who discovered the period-luminosity relationship for Cepheid variables.

Where is the Harvard College Observatory located?

The Harvard College Observatory is located in Cambridge, Massachusetts, on Observatory Hill near the Harvard University campus. Its historic 15-inch Great Refractor telescope, installed in 1847, was once the largest telescope in the United States.

What is the Henry Draper Catalogue?

The Henry Draper Catalogue is an astronomical star catalogue detailing the spectral classifications of hundreds of thousands of stars, compiled at the Harvard College Observatory. It was published between 1918 and 1924 and named after Henry Draper, whose widow funded the project.

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