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ABOUT
THESE VIDEOS • Aurora Replays
are short, downloadable videos showing the natural motion
of auroras using time-lapse digital photography. Created
by James Pugsley of Yellowknife, Canada, this footage
is used to monitor geomagnetic activity in Earth's upper
atmosphere. For more information or to request a hi-resolution
copy of an Aurora Replay for educational purposes, e-mail
your name, telephone number, organization and how the
video will be used to info@astronomynorth.com.
Watch for regular updates to this page throughout the
2007/08 aurora viewing season.
ARCHIVES • 2008
•
2007 •
2006 |
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December
20, 2007
As the Earth rotates, the auroral oval is perfectly positioned
above Yellowknife between midnight and 1:30 a.m., which means
the lights often make an appearance over the city even if
activity levels are low.
TIME: 00h59 / 1h41 Mountain
LOCATION: Yellowknife
DIRECTION: East
REPLAY (1.3 MB)
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November
30, 2007
A mix of celestial and atmospheric favourites in Tuktoyaktuk.
Ice fog, light pillars, aurora and a northern pingo make this
a rather unique replay.
TIME: 22h47 / 2h43 Mountain
LOCATION: Tuktoyaktuk
DIRECTION: North
REPLAY (2.4 MB)
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November
9, 2007
The swirling motion of an aurora combines with a surging flow
of ice on the Mackenzie River to create a perfect Norman Wells
replay.
TIME: 23h04 / 3h11 Mountain
LOCATION: Norman Wells
DIRECTION: South
REPLAY (4.0MB) |
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October
3, 2007
October's first early substorm filled Yellowknife's skies
for over an hour. This replay begins with a surge in the East
that causes North/South motion in the magnetic field line.
TIME: 19h36 / 20h53 Mountain
LOCATION: Fraser Tower
DIRECTION: East
REPLAY (2.6MB)
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September
7, 2007
Yet another spectacle above a tranquil northern lake. A substorm
invades the skies for 10 minutes, leaving a blanket of particles
in its path.
TIME: 23h14 / 23h57 Mountain
LOCATION: Ingraham Trail
DIRECTION: East
REPLAY (2.1MB)
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September
6, 2007
A slow moving green auroral arc fills the sky as clouds sweep
across this Ingraham Trail setting.
TIME: 22h34 / 00h14 Mountain
LOCATION: Ingraham Trail
DIRECTION: Northeast
REPLAY (2MB) |
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September
2, 2007
An early morning auroral substorm erupts above Prosperous
Lake near Yellowknife.
TIME: 01h42 / 03h21 Mountain
LOCATION: Ingraham Trail
DIRECTION: Northeast
REPLAY (4MB)
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April
3, 2007
Two houseboats, one full moon and three hours of auroral activity
set the stage for a truly classic evening on Yellowknife Bay.
TIME: 21h57 / 22h32 Mountain
LOCATION: Yellowknife Bay
DIRECTION: East
REPLAY (1.4MB)
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April
2, 2007
Vessels at the Yellowknife Yacht Club sit quitely below an
active sky. In spite of the bright moon, an
aurora emerges as a faint green against a cool blue background.
TIME: 22h27 / 23h58 Mountain
LOCATION: Great Slave Lake
DIRECTION: South
REPLAY (1.0MB)
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March
25, 2007
Eruption after eruption made this one of the best nights of
the year. In this footage, Vee Lake, near Yellowknife, is once
again exposed to towering curtains of light.
TIME: 23h07 / 23h51 Mountain
LOCATION: Vee Lake
DIRECTION: Northeast
REPLAY (1.6MB) |
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March
16, 2007
A spectacular substorm display caps off a full night of powerful
auroras above Vee Lake, near Yellowknife. This footage includes
multiple replays captured from the same location.
TIME: 23h23 / 02h06 Mountain
LOCATION: Vee Lake
DIRECTION: Northwest & Northeast
REPLAY (2.1MB) |
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March
14, 2007
These replays capture two very formidable bursts above Yellowknife
Bay. Passing clouds of ice and chimney fog reflect city light,
but fail to block the clouds
of light.
TIME: 22h28 / 23h42 Mountain
LOCATION: Fraser Tower
DIRECTION: East
REPLAY (1.2MB)
REPLAY (1.6MB) |
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March
12, 2007
Even with ice clouds in the neighbourhood, it was another good
night of viewing in Yellowknife. This steady stream of particles
had a few defining moments.
TIME: 09h11 / 10h37 Mountain
LOCATION: Fraser Tower
DIRECTION: East
REPLAY (2.2MB)
REPLAY (1.0MB) |
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February
16, 2007
Almost the same perspective as the February 10 Replay, but a
much more dramatic light show, not to mention a noticeable increase
in ice road traffic.
TIME: 23h04 / 23h44 Mountain
LOCATION: Dettah Ice Road
DIRECTION: North
REPLAY (1.5MB) |
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February
10, 2007
Ice road traffic scurries past a calm aurora on Yellowknife
Bay. Even with the orange glow of the capital nearby, this is
still a top notch viewing location.
TIME: 23h04 / 23h44 Mountain
LOCATION: Dettah Ice Road
DIRECTION: North
REPLAY (1.1MB) |
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