Low Frequency Radio Telescope “Image” (profile) of the 2017-08-21 Solar Eclipse Shadow

Location of photo
Cotter, Arkansas
Date/Time of photo
2017-08-21, profile from 1:00 to 1:10 PM CDT
WWVB Sudden Ionization Disturbance (SID) Radio Receiver. (loop antenna, Kenwood R-2000, ADC/Computer)
The radio signal is strongest when the eclipse shadow is darkest at the ionosphere skip point.
Astronomy Pictures: Sky & Telescope's Online Gallery, Solar Eclipse 2017

About JWRIGHT1127

Retired Professor of Chemistry, Southeastern Oklahoma State University (SEOSU). Received distinguished prof. award 2013. Also taught gen-ed astronomy courses for many years. Pursued NIH and AFOSR funded research projects for 30 of 31 years at SEOSU. Amateur astronomer. Interests: lunar meteoroid impacts; solar astronomy; cosmic rays and climate. Cotter (Arkansas) Observatory gear: 8- and 10-inch reflectors, 4-inch long focus refractor, small Coronado solar telescope, several portable telescopes, SID-type solar flare detector, cosmic muon sensor, cameras (video and integrating) and video time inserter. There is a sensitive seismometer in our basement which (along with the SID system) runs 24/7. There is also an electrometer for detecting lightning and other atmospheric electric transients. Age 78.
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