Looks like there were a lot of mosquitoes in the observatory dome on the night of August 30th, 1913. As indicated by the initials, this is from an Ida E. Woods notebook.

(image: phaedra1178)
#projectphaedra #historyofscience #observatory

Cecilia Payne-Gaposchkin received her Ph.D. in astronomy from Radcliffe College in 1925. Her thesis, “Stellar Atmospheres”, was famously described as the “the most brilliant PhD thesis ever written in astronomy.”

Click here to view it:
http://articles.adsabs.harvard.edu/pdf/1925PhDT.........1P

#projectphaedra

Two images of the Harvard Computers and other astronomers working hard at their desks. The notebooks that they're working on would end up being the #projectphaedra collection. Recognize any of the women?

(images: Harvard University Archives)
#womeninscience #astronomy

"Estimates of photographic brightness of S Cygni"
Annie Jump Cannon notebook, 1896.

(image: phaedra2086)
#projectphaedra #astronomy #womeninscience

Our @SmithsonianLab collection about Cecilia Payne-Gaposchkin was published this morning. This 6th collection is the last in a series of collections profiling the lives of Harvard Computers and early female astronomers.

https://learninglab.si.edu/q/ll-c/RGqxLdMpL1zVfurG

#projectphaedra #astronomy