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Astro photos and dynamic range

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Posted by Dave Groen: Fri Nov 16th, 2012 08:11

1^st Post

I tried astro photography for the first time Wednesday evening. Lots of waiting and shivering.

I used my D800 and 17-35 f2.8 AFS at 17mm. 51 second exposure f4.0 ISO 100. I also did some 15 minute exposures to capture star trails.

Here is the basic photo. Jpg compression wipes out many of the stars unfortunately.

Attachment: Night.jpg (Downloaded 24 times)

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Posted by Dave Groen: Fri Nov 16th, 2012 08:16

2^nd Post

... and here is the same NEF with +4 EV exposure compensation in Lightroom, auto white balance. Not too bad considering starlight was the only illumination (hours after dusk - the sun was somewhere over Asia by the time I shot this).

Attachment: Night_too.jpg (Downloaded 24 times)

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Posted by jk: Sat Nov 17th, 2012 12:48

3^rd Post

Very impressive results Dave.
If you want to get best lowest noise itmight be better to use ISO200 and use either a NDx2 or halve exposure.

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