Page:Popular Science Monthly Volume 46.djvu/313

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of Orion. Another star cluster worth a moment's attention is No. 1479, above and to the left of Sirius. We had better use the five-inch for this, as many of the stars are very faint. Not far away

PSM V46 D313 Wonders of the night sky map 3.jpg
Map No. 3.

we find the double star μ, whose components are of the fifth and eighth magnitude, distance 2·8″, p. 343°. The small star is pale blue. Cluster No. 1512 is a pleasing object with our largest aperture. In No. 1511 we have a faint nebula remarkable for the rows