Summary
Outburst in activity of the 1986 Ursids reported from visual observations was observed also by the Budrio meteor radar. The radar maximum consisting mainly of long-duration echoes preceded the visual one by about half an hour. The peak appeared on December 22, 20∶49 UT (solar longitude 270°.202). The mean photographic orbit of the Ursids shower was derived and compared with that of the parent comet Tuttle.
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Porubcan, V., Cevolani, G. & Stohl, J. On the 1986 Ursids meteor shower observed at Budrio. Il Nuovo Cimento C 16, 205–209 (1993). https://doi.org/10.1007/BF02507305
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DOI: https://doi.org/10.1007/BF02507305