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imaging/guiding ratio value Generic equipment discussions · Merco · ... · 4 · 217 · 0

Merco 0.00
Merco
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how do i understand if the imaging/guiding ratio value is good? for example i tried (via astronomy tools calculator) two possible setups the first is 1:2.18 and the other 1:1.28

are both good or should i change?
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Gondola 8.11
Tony Gondola
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I'm not sure what you're asking here. Guiding normally runs the whole time you're taking images so I'm not sure what ratio you're talking about here.
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andreatax 9.89
andrea tasselli
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Merco:
how do i understand if the imaging/guiding ratio value is good? for example i tried (via astronomy tools calculator) two possible setups the first is 1:2.18 and the other 1:1.28

are both good or should i change?

If you mean pixel scale ratio both will be good but I'd plump for the first as it would make fast guiding more likely, should you need to.
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sgthebert 2.81
Médéric Hébert
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Like Andrea said, both are good, you want to be below the 1:5 threshold and both are.
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Merco 0.00
Merco
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Great, thanks everyone!
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