674 OBSERVATIONS ON THE ZODIACAL LIGHT. 



TS T o. 337. 

 MOON ZODIACAL LIGHT. 



APRIL 17th, 1854. 



Lat. 35 19' N.: Lnn. 139 43' E. 

 Stronger Light at \Mi. a7i. ami 11/t. 34m : Diffuse at 11A. '24m. and ll/i. 34:. 



* * * Towards 11 o'clock, I turned towards the east, to watch for the moon's Zodiacal Light ; a haziness 

 along the horizon, and some distance up, together with approaching clouds, making the prospect there a very uncer- 

 tain one. Still, I had reliable results, though got with some difficulty ; and they are extremely interesting, on 

 account of the great obliquity of the ecliptic to the horizon. Yet, great as this was, the Zodiacal Light stretched 

 up along its old course, and the boundaries (except at the last, when I had to gather them from among the broken 

 clouds) were very distinct. The last observations, at ll h 28", gave mo no limits at the highest part, clouds at that 

 place filling up the sky. 



I thought this evening, as on one or two former occasions, that there was a paling of the sky far upward along the 

 ecliptic line, long before the Light became decided at the lower end say for half an hour previously ; but I could 

 not be certain about it. The moon showed itself at II 1 ' l!2 m ; but it was so dimmed by the haze of the horizon, that 

 the Zodiacal Light continued well defined fur six rninutps af'tov wanl ... 



