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Here's one that's a good example of why you want to control color balance (WB) between exposures. Most of the image looks pretty good, but the lower sky between the leaves and branches is very cyan until 1/2 way through, then switches to blue.
Four shot stitch, 1D3, Contax Zeiss 50/1.4, f/2.8, ISO 100.
Canon EOS-1D Mark III 1/2000 sec 100 ISO -0.3 EV