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It is three short exposures stacked; the strikes were about 5 seconds apart. But I find that gives me better cloud definition than taking long (60 second exposures) which blur the storm front.

clouds usually look better on shorter exposures but then when the lightning strikes in the middle of shorter exposures it is frustrating :D

this looks like it was a light show so not that much chance of missing.

Now thinking how crazy are the lightning storms on a boat? :)

Lightning storms on a boat are not fun; when your mast is the tallest thing in the sea. Just need to hang next to someone who has a bigger boat than you lol