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He said if you wish to assure yourself that ê Coronæ is a double star, first direct your telescope to a Geminorum, to z Aquarii, to m Draconis, to r Herculis, to a Piscium, to e Lyræ. Look at those stars for a long time, so as to acquire the habit of observing such objects. Then pass on to x Ursæ majoris, where the closeness of the two members is still greater.
Its near neighbor Sigma 2729 is a very close double, beyond the separating power of our five-inch, the magnitudes being six and seven, distance 0.6", p. 176°. Sigma 2745, also known as 12 Aquarii, is a good double for the three-inch. Its magnitudes are six and eight, distance 2.8", p. 190°. In zeta we discover a beauty.
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