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Post by johnm on Jun 15, 2017 7:41:13 GMT
The following announcement has appeared on spaceweather.com
NASA TRIES AGAIN TO PRODUCE ARTIFICIAL CLOUDS: Tonight, June 15th 2017, NASA will attempt to overcome a series of weather and hazard-related postponements to launch a sounding rocket over the east coast of the USA. The Terrier-Improved Malemute rocket will blast off between 9:05 and 9:20 p.m. EDT and release a network of red and blue-green vapors more than 100 miles high. Tracking the motions of the colorful gases will help researchers study the dynamics of Earth's ionosphere. The vapor tracers may be visible from New York to North Carolina and westward to Charlottesville, Virginia.
Original at spaceweather.com/archive.php?view=1&day=15&month=06&year=2017
This should not impact viewers in Europe but it will be interesting to see if there are any reports of multi-coloured NLC appear from the North American observers
John Murrell
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