The astronomy collection is housed in the Baker-Berry Library, specifically in Berry Level 4.
Bound volumes of journals are shelved alphabetically by title and books in astronomy are shelved by Library of Congress call number in the Baker-Berry stacks. Astronomy books are classed in the QB's.
QB 1-991 Astronomy
QB 1-139 General
QB 140-237 Practical and spherical astronomy
QB 275-343 Geodesy
QB 349-421 Theoretical astronomy and celestial mechanics
QB 455-456 Astrogeology
QB 460-466 Astrophysics
QB 468-480 Non-optical methods of astronomy
QB 495-903 Descriptive astronomy
QB 980-991 Cosmogony - Cosmology