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	<title>Comments on: Photographing Northern Lights &#8211; Aurora Borealis</title>
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	<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/</link>
	<description>Photography Techniques Weblog</description>
	<lastBuildDate>Mon, 14 May 2012 17:00:26 +0000</lastBuildDate>
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		<title>By: Aurora Borealis - Iceland Aurora Photo tours &#124; Iceland Aurora Photo tours</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-44926</link>
		<dc:creator>Aurora Borealis - Iceland Aurora Photo tours &#124; Iceland Aurora Photo tours</dc:creator>
		<pubDate>Mon, 14 May 2012 17:00:26 +0000</pubDate>
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		<description>[...] Experience this yourself with one of my Photography Tours  How to photograph the Northern Lights Tutorial [...]</description>
		<content:encoded><![CDATA[<p>[...] Experience this yourself with one of my Photography Tours  How to photograph the Northern Lights Tutorial [...]</p>
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		<title>By: Rafal</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-2954</link>
		<dc:creator>Rafal</dc:creator>
		<pubDate>Wed, 08 Sep 2010 00:22:12 +0000</pubDate>
		<guid isPermaLink="false">http://icelandaurora.wordpress.com/?p=110#comment-2954</guid>
		<description>Thank you very very much Tony - this is awesome technique!</description>
		<content:encoded><![CDATA[<p>Thank you very very much Tony &#8211; this is awesome technique!</p>
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	<item>
		<title>By: Tony</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-2878</link>
		<dc:creator>Tony</dc:creator>
		<pubDate>Sat, 04 Sep 2010 14:19:37 +0000</pubDate>
		<guid isPermaLink="false">http://icelandaurora.wordpress.com/?p=110#comment-2878</guid>
		<description>Hi Rafal
the star trails at 30sec will be very minimal with a wide angle.  When your HDR is complete bring the original 30sec exposure in (as a layer) and adjust the curves so that it matches the tonemapped version.  Then blend in the layers.  Alternatively, blend the 2 skies together using colour or saturation function.  
Another way of eliminating star-trails - edit your longer exposure by selecting the sky area.  Cut and paste (this will create a new layer) then set the blending to &#039;Darken&#039; now use the &#039;move&#039; tool and just click on the image and move it a pixels at a time using the up and down cursor keys (you may have to repeat this).  When the stars have been eliminated, flatten the image, save and start the HDR process.
Hope this helps.
Tony</description>
		<content:encoded><![CDATA[<p>Hi Rafal<br />
the star trails at 30sec will be very minimal with a wide angle.  When your HDR is complete bring the original 30sec exposure in (as a layer) and adjust the curves so that it matches the tonemapped version.  Then blend in the layers.  Alternatively, blend the 2 skies together using colour or saturation function.<br />
Another way of eliminating star-trails &#8211; edit your longer exposure by selecting the sky area.  Cut and paste (this will create a new layer) then set the blending to &#8216;Darken&#8217; now use the &#8216;move&#8217; tool and just click on the image and move it a pixels at a time using the up and down cursor keys (you may have to repeat this).  When the stars have been eliminated, flatten the image, save and start the HDR process.<br />
Hope this helps.<br />
Tony</p>
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	<item>
		<title>By: Rafal</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-2877</link>
		<dc:creator>Rafal</dc:creator>
		<pubDate>Sat, 04 Sep 2010 13:27:37 +0000</pubDate>
		<guid isPermaLink="false">http://icelandaurora.wordpress.com/?p=110#comment-2877</guid>
		<description>Hello Tony

You write:
&quot;Go for it if you have the patience. The image above was from two exposures: 30 seconds to capture the sky and 6 minutes to capture the foreground.&quot;
But how you eliminate long trails of stars?
I always have them, and when mere as HDR they&#039;re still visible.
Regards
Rafal</description>
		<content:encoded><![CDATA[<p>Hello Tony</p>
<p>You write:<br />
&#8220;Go for it if you have the patience. The image above was from two exposures: 30 seconds to capture the sky and 6 minutes to capture the foreground.&#8221;<br />
But how you eliminate long trails of stars?<br />
I always have them, and when mere as HDR they&#8217;re still visible.<br />
Regards<br />
Rafal</p>
]]></content:encoded>
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		<title>By: Northern lights hotspots &#124; Iceland Aurora Photographic</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-461</link>
		<dc:creator>Northern lights hotspots &#124; Iceland Aurora Photographic</dc:creator>
		<pubDate>Thu, 10 Dec 2009 00:16:25 +0000</pubDate>
		<guid isPermaLink="false">http://icelandaurora.wordpress.com/?p=110#comment-461</guid>
		<description>[...] Experience this yourself with one of my Photography Tours How to photograph the Northern Lights Tutorial [...]</description>
		<content:encoded><![CDATA[<p>[...] Experience this yourself with one of my Photography Tours How to photograph the Northern Lights Tutorial [...]</p>
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		<title>By: Night photography 2 - overcoming the challenges &#124; Iceland Aurora Photographic</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-397</link>
		<dc:creator>Night photography 2 - overcoming the challenges &#124; Iceland Aurora Photographic</dc:creator>
		<pubDate>Fri, 27 Nov 2009 05:22:55 +0000</pubDate>
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		<description>[...] article naturally follows from Nigh photography 1 and relates to Photographing the Northern Lights   Share and [...]</description>
		<content:encoded><![CDATA[<p>[...] article naturally follows from Nigh photography 1 and relates to Photographing the Northern Lights   Share and [...]</p>
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		<title>By: Night Photography &#8211; secrets uncovered - Photography Techniques</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-10</link>
		<dc:creator>Night Photography &#8211; secrets uncovered - Photography Techniques</dc:creator>
		<pubDate>Thu, 13 Aug 2009 08:12:40 +0000</pubDate>
		<guid isPermaLink="false">http://icelandaurora.wordpress.com/?p=110#comment-10</guid>
		<description>[...] was my love and obsession of capturing the Aurora Borealis, which uncovered a new passion... night [...]</description>
		<content:encoded><![CDATA[<p>[...] was my love and obsession of capturing the Aurora Borealis, which uncovered a new passion&#8230; night [...]</p>
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		<title>By: Night Photography &#8211; secrets uncovered &#171; My Photo Blog</title>
		<link>http://icelandaurora.com/blog/2009/08/10/photographing-northern-lights-aurora-borealis/comment-page-1/#comment-6</link>
		<dc:creator>Night Photography &#8211; secrets uncovered &#171; My Photo Blog</dc:creator>
		<pubDate>Tue, 11 Aug 2009 20:18:23 +0000</pubDate>
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		<description>[...] My Photo Blog Photography, techniques and technology weblog    &#171; Photographing Northern Lights &#8211; Aurora&#160;Borealis [...]</description>
		<content:encoded><![CDATA[<p>[...] My Photo Blog Photography, techniques and technology weblog    &laquo; Photographing Northern Lights &#8211; Aurora&nbsp;Borealis [...]</p>
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