Accordingly with my left eye a 5-1/2-foot object-glass, alone, forms an effective telescope, with which I can see Jupiter's moons quite distinctly, and under favourable circumstances even Saturn's rings.

I find that the full moon is too bright to be observed in this way without pain, except at low altitudes.] [Footnote 2: Betelgeuse--commonly interpreted the Giant's Shoulder--_ibt-al-jauza_.

The words, however, really signify, "the armpit of the central one," Orion being so named because he is divided centrally by the equator.] [Footnote 3: I have never been able to see more than four with a 3-3/4-inch aperture.

I give a view of the trapezium as seen with an 8-inch equatorial.] [Footnote 4: Sir W.Herschel several times saw [epsilon] Lyrae as a double.

Bessel also relates that when he was a lad of thirteen he could see this star double.