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ok...maybe I joke about the fiery reds and purples, but yes, after various sorts of "pre-stimuli" to the eyes, I've also seen deceptively reddish hues in objects like M42. This happened to me last night in fact. It was a nice trick.

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There are lots of tricks, Jeff.

I can report on how one can save all the scopes and stuff - and see coloured stars all the same:

It happened to me when I got too fast out of the car and hit my head on the car's roof: Very coloured stars even on daytime....

Amalia

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