Quote:
Originally Posted by 5ash
Does the starshoot autoguider need an IR filter to work as a guider? I realise for photography with an achromatic telescope bloating of stars by out of focus IR is a problem ,but does it matter for guiding? An IR filter will reduce sensitivity. Would be grateful for some advice
regards philip
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Slightly blurry is actually better for guiding as the centroid is easier to find than in burnt out star profile so I wouldn't worry about it.