1. Heliophysics Feature Catalogue: Active regions ID: ivo://padc.obspm.helio/hfc1ar/q/epn_core Title: Heliophysics Feature Catalogue: Active regions Short Name: HFC1AR Date: 07 May 2024 04:30:11 Publisher: Paris Astronomical Data Centre Description: Active regions of the Sun from Heliophysics Feature Catalogue (HFC).