Statistics of South Delta-Aquariids (SDA) meteor showers registered at UNIVAP in 2017 and 2018

Abstract Meteor showers, seen at regular and frequent intervals, occur when the Earth crosses the orbit of a comet and many small dust particles enter the Earth's atmosphere. In this paper we compare the Southern Delta-Aquariids (SDA) shower recorded by the UVP1 and UVP2 meteor monitoring stations in the Southeastern of Brazil, in 2017 and 2018. These stations are affiliated with EXOSS Citizen Science meteor monitoring network. The SDA meteor shower represented the most active radiant in these two years of data recorded by these stations. 27 detections were achieved in 2017 (between July 12 an...