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CHANCE
OF STORMS: NOAA forecasters estimate
a 65% chance of polar geomagnetic storms on Nov.
23rd when a pair of CMEs is expected to hit Earth's
magnetic field. The incoming clouds were propelled
toward Earth by the recent eruptions of sunspot
AR1618.
Black
Friday might be tinged red and green by the
glow of high-latitude auroras.
Aurora
alerts: text,
voice.
BIG
SUNSPOT AR1618: The magnetic canopy
of sunspot AR1618 is crackling with
M-class
solar flares, and NOAA forecasters say an X-flare
could be in the offing. AR1618 has a delta-class
magnetic field that harbors energy for the strongest
eruptions. Any flares today would likely be Earth-directed
as the sunspot is directly facing our planet.
Solar
flare alerts: text,
voice.
Sunspot AR1618 is so large (10 times
wider than Earth) that Jett Aguilar was able to
see it this morning when the sun came up over Marikina
City, the Philippines:
Photo details: Canon 100-400 mm EFL
lens, Canon 2x Extender and a Canon 7D DSLR (1/8000
sec, f/81, ISO 100).
"There were some clouds on the
horizon," says Aguilar, "but at 06:13
AM the sun came out and I was able to image sunspot
AR1618 using an unfiltered Canon 7D digital camera
(1/8000 sec, f/81, ISO 100)."
WHALE
WATCHING UNDER THE NORTHERN LIGHTS:
"Today (Nov. 20th) was one of the most amazingly
beautiful days that I have ever experienced,"
reports Norwegian photographer Fredrik Broms. "Here
in Kvaløya, outside Tromsø, we said goodbye to the
Sun for the year and hello to the period of polar
darkness where the sun doesn't rise." The only
lights were these:
"Later in the evening, the activities
of fishermen could be heard by the fjord. Soon after
the first auroras started to play across the sky,
a feeding
humpback whale passed by only 10 m away from
the shore and could be seen in the light from the
moon and the auroras that were dancing over the
fjord. The blow of more humpback whales could be
heard in the distance. This evening will stay deep
in my heart forever!"
Another evening like this could be
in the offing. A pair of CMEs is expected to hit
Earth's magnetic field on Nov. 23rd or 24th, possibly
sparking bright auroras around the Arctic Circle.
Northern whale watchers, be alert for humpbacks.
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