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Astro Bob

Aurora update plus we visit the sun’s “other” family in Cancer

19 Feb 2012, 18:36 UTC
Aurora update plus we visit the sun’s “other” family in Cancer
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Wow – two decent auroral displays in a week! We haven’t had that around here for a long time. While last night’s lights were in the forecast, they weren’t described as anything more than “isolated active periods”. I think it … Continue reading →

Thin bands of cloud intersect a series of bright green auroral rays last night. Photo: Bob King
Wow – two decent auroral displays in a week! We haven’t had that around here for a long time. While last night’s lights were in the forecast, they weren’t described as anything more than “isolated active periods”. I think it came as a surprise at how bright and widely seen across the northern U.S. they were. Tonight there’s a chance for more. With early evening skies forecast to be clear for the Duluth, Minn. region, be sure to spend a few minutes outside watching the northern sky for any activity.
New moon happens this Tuesday and on Wednesday the thin crescent returns to the evening sky. Take advantage of the next few moonless nights to explore two star clusters in the constellation Cancer the Crab. One of them, nicknamed the Beehive, is visible to the naked eye from suburban ...

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