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#1
June 23rd 05, 09:49 AM
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NLC animation
NLC close up animation from last nights results. 1.4Mb GIF.
http://www.digitalsky.org.uk/20050622/NLC17-30.gif -- Pete http://www.digitalsky.org.uk 
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#2
June 23rd 05, 11:03 AM
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Pete Lawrence wrote:
NLC close up animation from last nights results. 1.4Mb GIF. http://www.digitalsky.org.uk/20050622/NLC17-30.gif You forgot to reset your tracking to NLC rate. What's the time span on that? If the clouds rolled by at that speed we'd all fall over. -- Martin Frey http://www.hadastro.org.uk N 51 02 E 0 47
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#3
June 23rd 05, 11:14 AM
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On Thu, 23 Jun 2005 11:03:22 +0100, Martin Frey
wrote: Pete Lawrence wrote: NLC close up animation from last nights results. 1.4Mb GIF. http://www.digitalsky.org.uk/20050622/NLC17-30.gif You forgot to reset your tracking to NLC rate. What's the time span on that? If the clouds rolled by at that speed we'd all fall over. First image was taken at 22h24m00s UT and the last at 22h28m20s UT. There are 14 frames and the tracking was sidereal. I believe I set the interframe rate at 0.1s so you are seeing 4m20s worth of motion in 1.4s - i.e. 186x faster than reality. -- Pete http://www.digitalsky.org.uk
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