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Old 23-07-2015, 04:11 PM
NeilW
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ZWO ASI120MM Solar Imaging Question

Hi,

Can you tell me if the ZWO ASI120 with a 1280 x 960 1/3" sensor through an 80mm refractor would capture a full solar disk, or would you need a larger sensor (eg ZWO ASI174MM)?

Thanks,
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Old 23-07-2015, 04:17 PM
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Atmos (Colin)
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What is the focal length of the refractor?
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Old 23-07-2015, 06:47 PM
NeilW
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600mm. It's a Skywatcher ED80
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Old 23-07-2015, 07:34 PM
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Atmos (Colin)
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It gives a FOV of 27.5 arcmin x 20.5 arcmin. The sun is around 30 arcmin so it won't fit the whole sun in.
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Old 23-07-2015, 08:28 PM
NeilW
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Thanks Colin
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