Project PHaEDRA

PHaEDRA Logo with colorful Hubble image background


Project PHaEDRA is an initiative by the Wolbach Library, in collaboration with many partners, to catalog, digitize, transcribe, and enrich the metadata of over 2500 logbooks and notebooks produced by the Harvard Computers and early Harvard astronomers. Our goal is to ensure that this remarkable set of items, created by a remarkable group of people, is as accessible and useful as possible.

You can help! Click one of our projects to get started


PHaEDRA Full-Text

We are working with the Smithsonian Transcription Center’s Digital Volunteers program to crowdsource transcriptions of the PHaEDRA notebooks. Transcribing the notebooks makes them full-text searchable on the NASA Astrophysics Data System.

Star Notes

We are using tools built by the Zooniverse to link the PHaEDRA notebooks to their source material: over 500,000 astronomical glass plate photographs. Connecting the notebooks and the plates will create a bridge between the modern scientific literature and 100 years of astronomical observations.

Help Transcribe Notebooks

Help Find Plate Numbers