Title of Dataset: Dataset for Figures in Microscopic Investigation of rf Vortex Nucleation in Nb3Sn Films Using a Near-Field Magnetic Microwave Microscope Author Information: Corresponding Author: Chung-Yang Wang, chyawang@terpmail.umd.edu Principal Investigator: Steven M. Anlage, anlage@umd.edu Funding Sources: Department of Energy/High Energy Physics Grant No. DE-SC0017931 Army Research Office Grant No. ARO W911NF-24-1-0153 Methodological Information: All experimental data were collected using a spectrum analyzer (Agilent E4407B). File List: Fig_2_Data.fig contains the data for Figure 2. This is a .fig file, used by MATLAB to store data. Fig_3_Data.fig contains the data for Figure 3. This is a .fig file, used by MATLAB to store data. Fig_4_Data.fig contains the data for Figure 4. This is a .fig file, used by MATLAB to store data. Fig_5_Data.fig contains the data for Figure 5. This is a .fig file, used by MATLAB to store data. Fig_6_Data.fig contains the data for Figure 6. This is a .fig file, used by MATLAB to store data. Fig_7_Data.fig contains the data for Figure 7. This is a .fig file, used by MATLAB to store data. Fig_8_Data.fig contains the data for Figure 8. This is a .fig file, used by MATLAB to store data.