Apeil 1, 1886.] 



♦ KNO^A7^LEDGE ♦ 



197 



shadow not until the nest morning. On the 16th, Satellite I. will 

 be ocouUed at Uh. 49m. On the 17th the ingress of Satellite I. 

 will happen at 9h. 5m. P.M., and that of its shadow at 9h. 43m. 

 The Satellite will leave tbe face of the planet at Uh. L'lm. ; the 

 shadow at Uh. 5Sm. P.M. On the 18th the transit of SateUite II. 

 will beo-in at 8h. 18m. P.M., and then Satellite I. will reappear 

 from eclipse at 'Jh. 7m. :Jls. Later, the shadow of SateUite II. 

 will enter on to the planet at 9h. 36m. The satellite will quit the 

 opposite limb at Uh. 4m., and its shadow follow it 'JSm after 



at 9h ''3m P.M. : Satellite III. disappear in eclipse at 9h. 59m. ; 

 to reappear from eclipse at 12h. 4lm. 19s. p.m. Finally, on the 

 30th, Satellite IV. will be occulted at 8h. 33m. p.m. reappearing 

 from occultation at lOh. Im. . ,, 



Saturn, not far from i) Geminorum (" The Stars in their Seasons, 

 map ii.), may be seen in the western sky after it gets dark ; but 

 he is now very indifferently placed for the observer, and Uranus 

 may be detected on a moonless night with the naked eye, as a 

 very small star to the south and east of ij Virginis (" The Stars in 



Map 1. 



Map 



midnight. On the 22nd SateUite UI. wUl reappear from eclipse at 

 8h 43m 44s P.M. On the 24th the ingress of SateUite I. will occui- 

 at lOh. 52m. p.m., and that of its shadow at Uh. 37m. On the 25th 

 the transit of SateUite II. commences at lOh. 35m. p.m. Satellite I 

 wUl reappear from ecUpse at Uh. 10m. 34s., and the shadow of 

 SateUite H. follow the satellite itself on to the planet s face at 

 12h 10m On the 26th the shadow of SateUite I. will pass oEE at 

 8h 22m. P.M. On the 27th SateUite II. wiU reappear from eclipse 

 at 9h 52m. On the 29th, SateUite UI. wUl reappear from occultation 



theii- Seasons," map v.). His occultation by the moon on the Ibth 

 WiU be spoken of below. The moon is new at 2h. 30m. 6s p.m. on 

 the 4th, enters her first quarter at 8h. 44m. p.m. on the Uth, is full 

 at ''h 59m ''s P M on the 18th, and enters her last quarter at 

 5h 'l5m 5s' A.M. on the 26th. She wiU occult seven stars besides 

 the planet Uranus at convenient hours for observation during April. 

 The first occultation is one to which particular attention should be 

 paid It is that of Aldebaran during the afternoon of the 8th, 

 when the star wiU disappear at the dark limb of the moon at oh. 8m. 



