Przemysław Żołądek¹, Mariusz Wiśniewski², Arkadiusz Olech², Mirosław Krasnowski¹, Maciej Kwinta¹, Karol Fietkiewicz³, Kamil Złoczewski², Krzysztof Mularczyk⁵, Wojciech Jonderko¹, Izabela Spaleniak⁴, Łukasz Gruszka¹

¹ Comets and Meteors Workshop, Bartycka 18, 00-716 Warszawa, Poland brahi@op.pl

² Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Bartycka 18, 00-716 Warszawa, Poland (mwisniew,olech,kzlocz)@camk.edu.pl

³ Warsaw University of Technology, Department of Physics, Koszykowa 75, 00-662 Warszawa, Poland

⁴ Astronomical Institute, University of Wrocław, Kopernika 11, 51-622 Wrocław, Poland

⁵ Warsaw University Observatory, al. Ujazdowskie 4, 00-478 Warszawa, Poland
kmularcz@astrouw.edu.pl

Abstract

The results of the Perseid 2004 observing campaign are presented. Short description of equipment and reduction methods is given. Predicted 1-rev Perseid peak on August 12/13 was confirmed by video and visual observations, moreover another peak of activity was detected the same night around 1 UT. In total 87 meteoroid trajectories and orbits were calculated and resulting mean orbital elements of Perseid stream were presented.