'2015 Perseids prediction'에 해당되는 글 1건

  1. 2015.08.12 2015 Perseids prediction



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.



Canon | Canon EOS 5D Mark III | 540sec | ISO-800 | 2013:08:13 02:08:19



Canon | Canon EOS 5D Mark III | 75sec | ISO-1600 | 2013:08:13 02:54:07


Posted by starmaker 꿈꾸는 밤하늘

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