Nighttime - Aurora Borealis [3 IMG]

speedie · Sep 27, 2006

And so the northern lights (aurora borealis) season is upon us/me again. My first shots from tonight:

All shots: *istDL, Sigma 17-35mm f/2.8-4 EX ASP @ 17mm f/2.8, 20s, ISO-800.

sh

scgushue · Sep 27, 2006

hi Speedie,

Enjoyed the images here. I have only seen a white version of the aurora when I lived in North Dakota. I am interested to know if these came through accurately and what was the timing on the images.

Thanks for sharing.

Stephen

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http://www.pbase.com/scgushue

mikerigel · Sep 27, 2006

Those are fantastic!!! This is one thing I've been wanting to see... maybe one day.
First shots ? well keep shooting then

)

--
Mike

dadams1 · Sep 27, 2006

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speedie · Sep 27, 2006

scgushue said:
hi Speedie,

Enjoyed the images here. I have only seen a white version of the
aurora when I lived in North Dakota. I am interested to know if
these came through accurately and what was the timing on the images.

Thanks for sharing.

Stephen

Hi Stephen,

It was not the greatest of activity tonight so they came out a bit darker and more "greenish". I lightened them up a bit in RSE and tweeked the WB towards a colder and more blue sky.

In Tromsø you can see all kinds of northern lights; green, blue, white, red, etc. When you get further north (ie. Spitsbergen) the light becomes more clear green and not so colourful.

My biggest concern was not the northern lights itself but the foreground that was very wel lit. Still I think they came out decent enough.

All exposures were taken at 15 or 20 seconds. The images are not cropped.

sh
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speedie · Sep 27, 2006

mikerigel said:
Those are fantastic!!! This is one thing I've been wanting to
see... maybe one day.
First shots ? well keep shooting then )

--
Mike

Thanks Mike,

These are my first shots since the summer. In Tromsø we have the midnight sun (another famous photo object) and during that period it's almost impossible to see the northern lights.

sh
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brew1brew · Sep 27, 2006

Very nice, I love shooting long exposures. the forground game out very nice.

Les

BWG · Sep 27, 2006

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BWG

http://s86.photobucket.com/albums/k97/bwg12079/

Marcos_ · Sep 27, 2006

WOW! Really beautiful shots! I wish we had this kind of phenomenon in Brazil, but at least i can see it here, thanks for posting!

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Marcos

AlexLind · Sep 27, 2006

Awesome! I remember seeing those in northern sweden on valentines day...yes they were pink.

savagemikel · Sep 27, 2006

thanks for the pics....
I've never seen this in person.
It just looks unimaginable.

thanks again...

mike

swpowers · Sep 27, 2006

Beautifully done.....When I lived in Vermont, I saw the northern lights on a couple of occasions (amazing things to see), but now down here in North Carolina I don't expect to see them until I go north again... And last time I captured them on a Nikon 5000 (Coolpix)... Now it would be with a nice digital SLR...

Great captures.
Seth

Joseph Tainter · Sep 27, 2006

Stunning. The lit poles in the foreground add interest and perspective--especially in the first one.

Joe

GuyM · Sep 27, 2006

Norway in summer was beautiful enough, but the borealis is something I'd love to see. Please feel absolutely free to post more images when you get them.

Cheers,

Guy
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GMT +10

Heinrich Lohmann · Sep 27, 2006

Superb photography of a difficult subject. Brings back memories of the 16 years that we lived in the Yukon. Thank you and take care,
--
Heinrich
Airdrie, Alberta. Canada
PBase supporter
WSSA member # 58
http://www.pbase.com/hlohmann
http://www.lohmann.ca/heinrich

LuzArt · Sep 27, 2006

These are fantastic. thanks for sharing.

Ben
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Pattang · Sep 28, 2006

when exactly us aurora borealis season anyway? I might plan a trip around them!
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Pat

speedie · Sep 28, 2006

Pattang said:
when exactly us aurora borealis season anyway? I might plan a trip
around them!
--
Pat

Well it depends. In Tromsø the season would be from September to April. Some like it better when the snow has arrived in the mountains, so January-April should also be good. Of course between November and February we have no sun at all, so at this time you have the most "shooting hours" to select from.

A picture from last April taken with my Z1P:

sh
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brandrx · Sep 28, 2006

I enjoyed these very much Speedie. Thanks for showing them to us.

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Ron ~ Retired

Steven Alan106714 · Sep 28, 2006

http://www.spaceweather.com has lots of info on current auroral activity. Also, this site is Very good: http://www.spacew.com/plots.php
http://www.spacew.com/

http://www.spaceweather.com/glossary/imf.html has some info explaining the plots.

"When Bz is south, that is, opposite Earth's magnetic field, the two fields link up," explains Christopher Russell, a Professor of Geophysics and Space Physics at UCLA. "You can then follow a field line from Earth directly into the solar wind" -- or from the solar wind to Earth. South-pointing Bz's open a door through which energy from the solar wind can reach Earth's atmosphere!

Southward Bz's often herald widespread auroras, triggered by solar wind gusts or coronal mass ejections that are able to inject energy into our planet's magnetosphere.

--
Steven Alan

Nighttime - Aurora Borealis [3 IMG]

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