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A logbook page with a star diagram labeled "field for faint comparison stars" for Nova Cygni 1948, from J.R.G.'s notebook titled "Variable Measures" from 1950. (image: phaedra2558)

September Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well, and enjoying the beginning of fall! As always, thank you for remaining interested in our work and for volunteering your time to help with our research! We appreciate your effort to learn about the history …

August Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and enjoying the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history of women in astronomy, as well …

July Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and enjoying the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history of women in astronomy, as well …

Collection Highlights: The Bond Death Masks

On February 4, 1921, Solon Bailey penned a letter in confirmation of the recent acquisition of two curious objects into the Harvard College Observatory collections. “My dear Mr. Bond,” he wrote, “the plaster casts of Professor William C. Bond and his father, William Bond, are received. The Observatory will care for these casts or dispose …

June Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and excited for the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history of women in astronomy, as …

A glass plate negative backlit by a white light. The plate has a spray of dark stars and a few large groupings of stars.

Wolbach Library and the Glass Plate Collection

We are happy to share that HCO’s Astronomical Photographic Glass Plate Collection is now part of the Wolbach Library! This change was initiated to ensure that all projects associated with the Plates, including ongoing digitization efforts, are able to take full advantage of the resources available through Wolbach’s connections to the Harvard Library and the …

May Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and excited for the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history of women in astronomy, as …

April Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and enjoying the beginning of spring! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history of women in astronomy, …

March Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and looking forward to the Spring! As always, thank you for remaining interested in our work and for volunteering your time to help with research and learn about the history of women in astronomy. We …