FULL moon occurs on June 3d. 19h. 27m., U.T., and new moon on June 18d. 21h. 26m. The following conjunctions with the moon take place : June 2d. OOh., Jupiter 0.02° N. ; June 16d. 08h.,Mars 0.7° N. ; June 17d. 10h., Venus 1° S.; June 20d. 14h., Mercury 4° S. ; June 21d. 11h., Saturn 4° S. ; June 29d. Olh., Jupiter 0.3° S. Mercury is an evening star, setting at 21h. 43m. on June 1 and .at 21h. 06m. on June 30. It attains its greatest eastern elongation on June 17 and is stationary on June 30. Venus is a morning star, rising at 3h., 2h. 44m., and 2h. 41m., at the beginning, middle and end of the month respectively. More than 90 per cent of the disk appears illuminated, and the stellar magnitude of the planet is -3.3. Mars rises in the early morning hours but is too close to the sun for favourable observation. Jupiter, in the constellation of Libra, can be seen until the early morning hours, setting at 3h. 06m. on June 1 and at 1h. 05m. on June 30. Saturn is visible in the early portion of the night, setting at 23h. 39m. and 21h. 54m. at the beginning and end of the month, respectively. Occultations of stars brighter than magnitude 6 are as follows : June 6d. Olh. 33.6m., p Sgtr. (D.) ; June 6d. 02h. 50.8m., p Sgtr. (R.). The latitude of Greenwich is assumed and D. and R. refer to disappearance and reappearance, respectively. A partial eclipse of the moon, partly visible at Greenwich, occurs on June 3. The moon enters the umbra at 18h. 56.2m. and leaves it at 19h. 34.2m. The eclipse will not be very spectacular, as its magnitude is only 0.024. Summer solstice occurs on June 22d. 06h.