New answers tagged coolpix
If you are limited in how long you can expose for, then I recommend using a higher ISO, such as ISO 1600 maybe even 3200, use short exposures of around 30 seconds, and get many of them. I would say get at least 16x, however 25x or 36x would be better. The reason you want to use a high ISO is the higher the ISO, the lower the read noise in most cases. The ...
there are rigid limitations to the P900 and long exposures - its virtually impossible to do a long shutter release, particularly for starlight.
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