Right OutsideWeek of October 11 · Calgary
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Aurora borealis
Watching · Sky

Aurora season is reopening

Active Sunday nightif the cloud breaks

Summer nights at this latitude are finally getting dark enough for northern lights again. From now until spring, every clear night is a candidate, and autumn is statistically one of the best aurora seasons of the year. Worth scouting your north-facing spot now, before the first good storm.

A pale green arc low in the north that seems to slowly breathe
Roughly 11 pm to 2 am on clear nights
Nose Hill's north side, or twenty minutes out of the city
Forecasters expect a geomagnetic storm on Sunday evening into the early hours of Monday, at the strength Calgary needs. Sunday is also the snow day. The cloud forecasts disagree, with some breaking it up from about 11pm and some holding it all night. There is no moon. Monday night is forecast clear, but the activity is forecast to have eased by then
SourcesNOAA Space Weather Prediction Center forecasts
equinox-season geomagnetic pattern (Russell-McPherron effect)

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Saturn
Peaking · Sky

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Photo: Keith E. Doucet · CC BY-SA 3.0 · via Wikimedia Commons
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