Lowell Observatory Uranus and Neptune b (472 nm) and y (551 nm) Photometry (1972-2016) Bundle

Photometric observations of Uranus and Neptune (1972-2016) in the b (472 nm) and y (551 nm) filters of the Strömgren photometric system at Lowell Observatory. Observations recorded mainly seasonal variations of disk-integrated albedos of these objects. This bundle includes 360 observations of Uranus and 433 observations of Neptune from 1972-2016.