According to Hipparcos, the New Reduction (van Leeuwen, 2007), the estimated distance to the star is about 70 parsecs or 228 light-years.
She was in particular interested in Babbage’s work on the Analytical Engine. Lovelace first met him on 5 June 1833, when she and her mother attended one of Charles Babbage’s Saturday night soirées with their mutual friend, and Ada’s private tutor, Mary Somerville.
Shedar (stars.astro.illinois.edu) SHEDAR (Alpha Cassiopiae). The southernmost star of Cassiopeia’s famed Chair, Shedar is also the brightest, though not by much and not all of the time.