Geo-Space Environment | 2016-08-13
PERSEID METEOR SHOWER–UPDATE: Yes, there was a Perseid outburst last night. Maybe two. Reporting via the Central Bureau of Astronomical Telegrams, Peter Jenniskens of the SETI Institute writes that “predicted encounters with the 1-revolution and 4-revolution dust trails of comet 109P/Swift-Tuttle were observed on Aug. 12” with peak rates as high as 190 meteors per hour. Preliminary data from the International Meteor Organization (IMO) Video Network suggest that the two dust trails merged into a nearly-single peak not much more than ~1 hour long. A second broader outburst, well placed for US observers, peaked 8 hours later. Check the full telegram for details.
On August 12, 2016, the NASA all-sky camera network reported 262 fireballs.
(158 Perseids, 98 sporadics, 2 , 1 Northern delta Aquariid, 1 kappa Cygnid, 1 , 1 Southern delta Aquariid)
On August 12, 2016, there were 1719 Potentially Hazardous Asteroids (PHAs).
Sunspot number: 86
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