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111 Total Pages 4 Contributing Members

Project PHaEDRA - Annie Jump Cannon 16

At Harvard College Observatory (now the Harvard-Smithsonian Center for Astrophysics), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Annie Jump Cannon, who in 1901 devised a robust and elegant stellar classification scheme that astronomers still use today. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest.

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6% Complete

217 Total Pages 2 Contributing Members

Project PHaEDRA - Cecilia H. Payne #3

At Harvard College Observatory (now the Harvard-Smithsonian Center for Astrophysics), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest.

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10% Complete

110 Total Pages 10 Contributing Members

Project PHaEDRA - Henrietta Swan Leavitt #09

At Harvard College Observatory (now the Harvard-Smithsonian Center for Astrophysics), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Henrietta Swan Leavitt, who connected the luminosity and periodicity of certain variable stars such that we were able to understand just how big our universe is. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest.

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100% Complete

55 Total Pages 8 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AB #3

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

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100% Complete

109 Total Pages 5 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #16

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

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100% Complete

109 Total Pages 8 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #17

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

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100% Complete

109 Total Pages 5 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #18

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

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100% Complete

109 Total Pages 10 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #19

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

Go

100% Complete

109 Total Pages 5 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #20

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

Go

100% Complete

109 Total Pages 8 Contributing Members

Harvard-Smithsonian Center for Astrophysics DASCH project- Logbook AI #21

Before iPhones, laptops, and even punch-card computers there were human computers, some of whom worked at the Harvard College Observatory. Most recently seen on the TV series COSMOS with Neil Tyson, these women made some of the most important discoveries in astronomy in the early 20th century. Please come help us transcribe the logbooks so we can preserve and digitize this very valuable resource.

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