Friday, January 27, 2012
What is the smallest telescope that can be used to resolve the double star y Leo?
What is the smallest telescope that can be used to resolve the double star y Leo, where the two stars are 4.4"(arcesecounds) apart?What is the smallest telescope that can be used to resolve the double star y Leo?Hi. Kind of a trick question since that star is a variable, but assuming the two stars are equal in brightness then you could use the "airy disc" limit as described here. http://www.telescope-optics.net/telescop鈥?/a> This would have to take place under excellent seeing conditions.
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