Panasonic Lumix DMC-FZ200 User Manual page 63

Night scenery mode
Handheld nite shot. In this mode the camera performs multi - exposure,
high speed bursts and then processes them into a single image which
then has increased subject brightness and reduced noise.
In some cases there may be subject ghosting if the subject happens to be
moving for example.
HDR (high dynamic range). Using a series of exposures with varying
intensities from under to overexposure the camera can combine these
images during processing to allow detail to be seen in shadow (dark
areas) and highlights (light areas).
The resulting image may appear to be "flatter" through using this process
and if there is any subject motion in the sequence it may appear as
ghosting in the composite image.
If the camera determines that the exposure contrast range is within what
the camera can achieve in a single exposure it will not execute the
exposure sequence to capture the image.
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