# Observation of the Moon's Transit by Aldebaran, April 3, 1736. Made at London by John Bevis, M. D. **Author(s):** John Bevis **Year:** 1737 **Journal:** Philosophical Transactions (1683-1775) **Volume:** 40 **Pages:** 3 pages **Identifier:** jstor-103896 **JSTOR URL:** --- III. Observation of the Moon's Transit by Aldebaran, April 3, 1736, made at London by John Bevis, M.D. The Glass inverting the Objects. Apparent Time. H. M. S. 7 40 00 The Moon's Body and Aldebaran seen together in the distinct Base of the Telescope. 7 45 52 The Moon's southern Limb running along the parallel Thread, the western Limb came to the horary Thread. 7 49 41 The Glass remaining fix'd, and Aldebaran running along the parallel Thread, (having the same Declination with the Moon's southern Limb) came to the Intersection of the Threads. 8 13 04 The Moon again running along the Parallel, came to the horary Thread. 8 15 50 Aldebaran (the Glass remaining fix'd) came to the first oblique Thread at c. 8 15 54½ —to the horary Thread at b. 8 15 59 —to the second oblique Thread at a. H. M. S. 8 59 54 Aldebaran in the Line passing through the Cusps, his nearest Distance from the Moon's Body being somewhat less than the Length of Mare Cris- tium, or nearly $\frac{1}{10}$ of the Moon's Diameter. Moons Visible Way 7.49.51 8.15.50. 8.59.55