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CapturingTheNight — Going With The Flow
#astrophotography #milkyway #stars #waterfall
Published: 2015-08-02 07:33:30 +0000 UTC; Views: 5648; Favourites: 355; Downloads: 0
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© Greg Gibbs. You may not use, replicate, manipulate, or modify this image without my permission. All Rights Reserved.Woolshed Falls under the Milky Way.
Canon 6D, 14mm, F/2.8, ISO 3200, 30 seconds.
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Comments: 38
The dark and light side work together beautifully
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Thank you very much
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For personal education why use 3200 ISO rather than something lower and a slower shutter? Wouldn't that minimize ISO artifacts while still allowing for light capture?
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The Earth is rotating through space at about 1000 miles an hour (at the equator). This causes the stars (and planets and the Moon and Sun) to move through the sky. If your shutter speed is too long this movement shows up in the form of star trails. To "freeze" the motion of the stars a relatively fast shutter speed is needed. The exposure then has to be made up with fast apertures and high ISO's to capture the faint details of the night sky. I have a blog on what shutter speed to use to capture the stars here: www.capturingthenight.com/astr…
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You are the man! Great tutorial on that. I definitely would not have thought the rotation was fast enough to have noticeable difference in just 60 seconds. Now I'm so curious is it because of the difference in DoF that the focal length effects the amount of time allowed before blur is seen. I read the 600 formula is assuming less than 0.1 degree rotation But I'm not solid on the why focal length makes a difference assuming your focal point is the same. I've made it through about 20 pages of your blog and there's so much info in it thank you so much. I even came across your section in 2012 where you mentioned how many questions you get asked. hah, now I feel like an ass. But thanks a ton for pointing me in the right direction!
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The focal length is important as that determines how much a particular object fills the frame. The wider the focal length the smaller any objects (in this case stars) appear, so it takes longer for an movement of those objects to be apparent. To give you an extreme example of the effect- imagine you see a friend walking normally about 1/2 a mile away- you would need to look at them for a while to tell that they were moving at all. Now imagine that you use a camera lens or binoculars to zoom into your friend walking, and you will easily see them moving across the field of view in a relatively short amount of time. That's why focal length is important when using a fixed tripod for astrophotography. Hope that makes sense.
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It seems so obvious when you explain it like that... Again man thank you so much for taking the time and for sharing your amazing work with us!
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Thank you so much
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Glad to see you back with some amazing work as always Greg
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Your pictures give me the chills before I even see the full drawing...
c:
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Thank you so much
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You're welcome! <3
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Oh, this is something! Nice quality for such an ISO.
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Thank you so much
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You're welcome.
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Very nice, I really like how you have composed the image so the milky way and the waterfall goes at the same angle.
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Thank you so much
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Thank you so much
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Thank you so much
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Thank you so much
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