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Strange Diffraction Spikes


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I'm wondering if anyone here images with an Esprit 80ED and could do me a little favor next time when they're imaging?

Could you just take a single sub of say 20 seconds on a bright star and then post up the photo please? Trying to determine something on my scope.

Thanks in advance.

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I have one 20s stretched single exposure of M42 available, taken with a Canon 550D @ISO6400 if that helps. Not so bright stars in this one though and I don't think I'm going to be able to shoot any other stars soon unfortunately.

M42-F400-2017-12-25_20s_ISO6400-wb1.jpg

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