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Oh, and one more question, Shelley,
what magnification did you use on NGC 5102?
Low magnifications are sometimes necessary for objects of very low surface brightness, in that the slightest extra magnification can make the object "disappear" by moving it to a surface brightness that the eye cannot detect. This object might actually look better in 50-100 mm binoculars than in the telescope, because of the additional contrast provided by two eyes linked to a human brain.
(for example, I have found the spiral arms of M33 to be more obvious in large binos than in the telescope)
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