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m-eralp β Hypnosis
Published: 2015-11-07 10:36:36 +0000 UTC; Views: 12233; Favourites: 404; Downloads: 0
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Just how long of an exposure would I need to get this sort of effect? Twenty to thirty seconds?
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This is really hypnotising... how long did you expose the camera to the sky?Β
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And just when I thought you found the best shot you put out another one XD
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How long is the summed exposure here? An hour?
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Wow....... this is really hypnotic. Β Great exposure!Β Β
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That looks awesome!! (OoO) How on Earth do you do that? :-D
I'm a person that makes a lot of covers for potential stories and banners for songs (and other things like that), and I was wondering if I would be able to use this picture in a cover or a banner? I understand if you don't want me to 
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Hello. Here's a brief explanation from my understanding of the technique behind such beautiful photographs (hope it will prove helpful and not too boring):
What he did was to point his camera at the central and motionless star in the picture and then take a photo with a very long exposure time. As you can see, the central star does not move but the others do - they appear to rotate around the central star. This is but an illusion of Earth's rotation and we sitting on it while it moves. The central star is called the Northen Star and currently our planet's rotation axis points towards it. As Earth turns slowly around its axis, the stars appear to move from our point of view - in reality it is us that move. The stars move very slowly. If you just watch them, you can't really tell they are moving at all. It's like looking at your watch. You won't notice that the hour arrow actually moves. It takes quite a lot of time for its motion to become apparent to us.
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Wow. Thank you! 
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