I reckon It's safe to assume KSP does not support HDR anything.  Yes - a 32bit pipeline would be the 'ideal' solution. But we're talking about modding someone else's mod of a 12 year old game .... and Lisius's sanity should probably at least be considered . I reckon a lot can be achieved in the 8bit realm.  I'm talking about modest improvement, not glorious perfection here .
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