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Old 11-23-2009, 09:03 AM  
rowan
Too lazy to set a custom title
 
Join Date: Mar 2002
Location: Australia
Posts: 17,393
Quote:
Originally Posted by baddog View Post
Thanks. Was reading about star trails and we got some, but I was not impressed with my results. If I could get some like these my opinion would likely change.

http://apod.nasa.gov/apod/image/0609...hambsch_f1.jpg

http://liquidinplastic.com/wp-conten...rdistreaks.jpg
Very nice! I don't think a standard DSLR would be able to do that unfortunately, since the shutter would need to be open for several hours. I guess it might be possible if you had a way of powering the camera externally.

From memory you get the tight/closed circle effect if you point the lens north or south.
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