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Message: <blockquote data-quote="ailevin" data-source="post: 3500891" data-attributes="member: 140149">Binastro,I appreciate the additional information, and you have inspired me to try the trapezium in my 15x45 IS as soon as the sky clears.  I started astronomical observing only as an adult when one of my sons became interested in astronomy. Early on, hunting double stars with my 7x50 binoculars was one of my favorite activities when not under dark skies. In those days the limiting factor was holding the binocular steady and I was lucky to glimpse a 25"-30" split of stars with relatively similar magnitudes.  I doubt I have the necessary acuity as I normally think of around 2 arc minutes as the lower limit of apparent resolution, but perhaps I am selling myself short. I have certainly seen a great range in variation in the ability to detect faint stars in the same field of the same telescope by different observers.  We had a very gifted comet observer in our club years ago, and he literally taught me to see things in my own telescope that I had no idea were there.AlanP.S. The smallest binocular star images I have seen are in Fujinon Meibo 7x50.</blockquote>