2015 Perseids prediction

Active: July 17 - August 24.

Maximum: August 13, 06h 30m to 09h 00m UT - IMO.

            August 12, 18h 39m UT - Jeremie Vaubaillon.

Parent comet: 109P/Swift-Tuttle (orbit period: 130 year).

ZHR(Zenithal Hourly Rate): 100.

Radiant: α=48 deg, δ= +58 deg.

Speed(V): 59 km/s.

cf. ZHR(Zenithal Hourly Rate): the number of meteors a single observer would see in an hour of peak activity.

Posted by 꿈꾸는 밤하늘

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