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Nikon Compact Digital Cameras
General Compact Digital Cameras
Coolpix P Series
Help with astrophotography P900
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<blockquote data-quote="vader" data-source="post: 652101" data-attributes="member: 44456"><p>I'm a new p900 user. I found that using high iso monochrome mode gives you 1/2 second at ISO 12800. This means that you can zoom to the full 1200 without star trails. I got some really good shots of m42 (orion) and crux (southern cross). You could split the double stars, and see the jewel box. In this mode, you can see stars in the viewfinder, so zoom out, put a bright star in the middle, zoom in and focus as you zoom in (whenever the star starts to become a circle). Add a self timer for 10 seconds to stop and wobble on the tripod, disable VR.</p><p></p><p>This gave some surprisingly good results. You will lose dynamic range, but brighter stars become larger dots, so they still look brighter.</p><p></p><p>1/2 sec at 12800 = 1 sec at 6400 = .... 64 sec at 100. The camera will only do 15 seconds at 100, so using high iso mode gives over 4 times brighter (if not overexposed) images. Better to do the amplification before JPEG encoding rather than at the computer.</p></blockquote><p></p>
[QUOTE="vader, post: 652101, member: 44456"] I'm a new p900 user. I found that using high iso monochrome mode gives you 1/2 second at ISO 12800. This means that you can zoom to the full 1200 without star trails. I got some really good shots of m42 (orion) and crux (southern cross). You could split the double stars, and see the jewel box. In this mode, you can see stars in the viewfinder, so zoom out, put a bright star in the middle, zoom in and focus as you zoom in (whenever the star starts to become a circle). Add a self timer for 10 seconds to stop and wobble on the tripod, disable VR. This gave some surprisingly good results. You will lose dynamic range, but brighter stars become larger dots, so they still look brighter. 1/2 sec at 12800 = 1 sec at 6400 = .... 64 sec at 100. The camera will only do 15 seconds at 100, so using high iso mode gives over 4 times brighter (if not overexposed) images. Better to do the amplification before JPEG encoding rather than at the computer. [/QUOTE]
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Nikon Compact Digital Cameras
General Compact Digital Cameras
Coolpix P Series
Help with astrophotography P900
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