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General Photography
Low Light & Night
Star trails!!
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<blockquote data-quote="Scott Murray" data-source="post: 123477" data-attributes="member: 9753"><p>An interesting read for you. From here - <a href="http://www.lightstalking.com/how-to-photograph-star-trails" target="_blank">How to Photograph Star Trails: The Ultimate Guide</a></p><p></p><p>[h=2]One Long Exposure[/h]<span style="color: #000000"><span style="font-family: 'Helvetica Neue'">To capture star trails using one long exposure, there are a couple important things to consider. You need to let as much light into your lens as possible for those stars to register (the why’s of this are explained below) – this means using a fast lens, preferably in the f/2.8 range.</span></span></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'">When photographing stars under one exposure, you need to do it during a new moon night – meaning that the moon is nowhere to be seen. If you have anything more than a crescent, your exposure will be limited to the 10-minute range because of the ambient light, which won’t do much for star trails. For this kind of photography, darkness is your best friend.</span></span></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'">Ultimately, you’re aiming for your environment to be illuminated by the stars themselves – yes it’s possible! However, this entirely depends on the length of your exposure. The image below is the result of an 80 minute exposure taken under a new moon – you can see that the foreground is exposed nicely and the star trails are outstanding.</span></span></p><p> </p><p style="text-align: center"><span style="color: #000000"><span style="font-family: 'Helvetica Neue'"><a href="http://www.flickr.com/photos/bala_/5116808062/" target="_blank"><img src="http://farm2.static.flickr.com/1063/5116808062_8448726acf.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a><a href="http://www.flickr.com/photos/bala_/5116808062/" target="_blank">http://www.flickr.com/photos/bala_/5116808062/</a></span></span><span style="color: #000000"><span style="font-family: 'Helvetica Neue'"><a href="http://www.flickr.com/photos/bala_/5116808062/" target="_blank">The vortex in the sky by .Bala, on Flickr</a></span></span></p><p></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'">When calculating your exposure, it would be best to do a shortened test shot so you’re not waiting a ridiculous amount of time just to see if your settings are correct. Many night photographers will jack up their ISO as far as it’ll go and shoot wide open – you’ll rarely find an instance where you’ll be taking a photo shorter than 30 seconds here. Of course the test shot will be entirely unusable due to noise and lack of trails, but it will give you a base to calculate what settings are needed with an ISO of 100.</span></span></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'"></span></span></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'"></span></span></p><p><span style="color: #000000"><span style="font-family: 'Helvetica Neue'">Click Here: <a href="http://www.lightstalking.com/how-to-photograph-star-trails#ixzz2Mvaw42mS" target="_blank">How to Photograph Star Trails: The Ultimate Guide</a></span></span></p></blockquote><p></p>
[QUOTE="Scott Murray, post: 123477, member: 9753"] An interesting read for you. From here - [url=http://www.lightstalking.com/how-to-photograph-star-trails]How to Photograph Star Trails: The Ultimate Guide[/url] [h=2]One Long Exposure[/h][COLOR=#000000][FONT=Helvetica Neue]To capture star trails using one long exposure, there are a couple important things to consider. You need to let as much light into your lens as possible for those stars to register (the why’s of this are explained below) – this means using a fast lens, preferably in the f/2.8 range.[/FONT][/COLOR] [COLOR=#000000][FONT=Helvetica Neue]When photographing stars under one exposure, you need to do it during a new moon night – meaning that the moon is nowhere to be seen. If you have anything more than a crescent, your exposure will be limited to the 10-minute range because of the ambient light, which won’t do much for star trails. For this kind of photography, darkness is your best friend.[/FONT][/COLOR] [COLOR=#000000][FONT=Helvetica Neue]Ultimately, you’re aiming for your environment to be illuminated by the stars themselves – yes it’s possible! However, this entirely depends on the length of your exposure. The image below is the result of an 80 minute exposure taken under a new moon – you can see that the foreground is exposed nicely and the star trails are outstanding.[/FONT][/COLOR] [COLOR=#000000][FONT=Helvetica Neue] [/FONT][/COLOR] [CENTER][COLOR=#000000][FONT=Helvetica Neue][URL="http://www.flickr.com/photos/bala_/5116808062/"][IMG]http://farm2.static.flickr.com/1063/5116808062_8448726acf.jpg[/IMG][/URL][URL="http://www.flickr.com/photos/bala_/5116808062/"][/URL][/FONT][/COLOR][COLOR=#000000][FONT=Helvetica Neue][URL="http://www.flickr.com/photos/bala_/5116808062/"]The vortex in the sky by .Bala, on Flickr[/URL][/FONT][/COLOR][/CENTER][COLOR=#000000][FONT=Helvetica Neue] [/FONT][/COLOR] [COLOR=#000000][FONT=Helvetica Neue]When calculating your exposure, it would be best to do a shortened test shot so you’re not waiting a ridiculous amount of time just to see if your settings are correct. Many night photographers will jack up their ISO as far as it’ll go and shoot wide open – you’ll rarely find an instance where you’ll be taking a photo shorter than 30 seconds here. Of course the test shot will be entirely unusable due to noise and lack of trails, but it will give you a base to calculate what settings are needed with an ISO of 100.[/FONT][/COLOR] [COLOR=#000000][FONT=Helvetica Neue] Click Here: [URL="http://www.lightstalking.com/how-to-photograph-star-trails#ixzz2Mvaw42mS"]How to Photograph Star Trails: The Ultimate Guide[/URL][/FONT][/COLOR] [/QUOTE]
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