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View Diary: Chico Community Observatory - Saturn and Crab Nebula (23 comments)

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  •  ...it is considered to be very, very rude to... (3+ / 0-)
    Recommended by:
    chantedor, elfling, BusyinCA

    ...use any white lights near an observatory.  Bring a flashlight.  Paint over the lens with red fingernail paint.  That works great.

    Red light is fine because you're eyes, once they've adjusted to the dark, will not be messed up by red light (as long as it isn't to bright or "orange."

    White light ruins night vision.  Your eyes will take as long as 10 minutes to re-adjust to being able to see in the dark...

    Ignorance is bliss only for the ignorant. The rest of us must suffer the consequences.

    by paradise50 on Wed Jan 16, 2013 at 08:42:49 AM PST

    [ Parent ]

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