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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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    Help request: some doubts about M5/M7

    The spikes with stars may be because of the prism edges. But even with excellent eyesight if the stars are bright enough then there will be spikes because of the eyes. Are your eyes good enough to see any of Jupiter's moons without optical aid in a dark location? Usually only seen by children...
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