Photometry and period analysis of ASASSN-V J221429.81+505813.1 (C82, 2012-2016 + survey data)

CCD photometry obtained at the Osservatorio Astronomico "Nastro Verde" (MPC C82, Sorrento, Italy) in 2012-2016, prior to the star's catalogue entry, together with ASAS-SN and ZTF public photometry, the combined and normalized dataset (5287 points, 2012-2026) and the Python script used for the period analysis. Supporting data for a Research Note of the AAS (in preparation). See README.txt inside the archive for the full structure.