August has started heavy for skygazers. We are days away from August's sturgeon full moon and the peak of the Perseids meteor shower . Before those celestial events get underway, however, it seems that another sighting of the aurora borealis may be visible in up to 18 US states on Friday night.

Those states can be broken up into three categories. The first are states that will almost certainly see an aurora -- if conditions allow -- and include Alaska, Washington, Montana, North Dakota, South Dakota, Minnesota and Wisconsin. Next are the states that should at least see something, which include the northern portions of Idaho, Oregon, Wyoming, Michigan and Maine.

Finally, the states that may see something under the best possible conditions will be Iowa, northern Nebraska, Illinois, New

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