304 



KNOWLEDGE. 



Table 54. Occupations of stars by the Moon visible at Greenwich. 



August, 1913. 



From New to Full disappearances take place at the Dark Limb, from Full to New reappearances. 



The asterisk indicates the day following that given in the date column. 



Attention is called to the occultation of the Pleiades on the 21st ; the stars from 17 Tauri to BAC 1171 belong to the group. 



Neptune is too near the Sun for convenient observation, 

 having been in conjunction on July 19th. 



Jupiter was in opposition on July 5th. Polar semi-diameter, 

 19" in mid-September. 



Satellite phenomena visible at Greenwich, l d 7 h 29 m I. Sh. 

 I., 8 h 38 m I. Tr. E., 9 h 48 m I. Sh. E., 10 h 31 m III. Tr. I., 



10" 47 ra 41 s IV. Ec. D. ; 2 d 7 h 3 m 46 s I. Ec. R. ; 5 d 8 h 39 m 4' 



III. Ec. R., ll h 15 m II. Tr. I.; 7 d 10 h 50 m 6" II. Ec. R„ 

 ll h l m I. Oc. D.; 8 d 8 h 12 m I. Tr. I., 9 h 25 m I. Sh. I., 10 h 30 m 

 I.Tr. E.; 9 d 7 h 56 m IV. Tr. I., 8 h 58 m 46" I. Ec. R., 10 h 57 m 



IV. Tr. E.; 12 d 7 h 37 m III. Oc. R., 9 h 25 m 32 s III. Ec. D. ; 

 14 d 8 h 4 m II. Oc. D. ; 15 d 10 h 5 m I. Tr. I. ; 16 d 7" 21 m I. Oc. 

 D., 8 h 22 m II. Sh. E. ; 17 d 6 h 51 m I. Tr. E., 8 h 8 m I. Sh. E. ; 



Table 55. Non-Algol Stars. 



(3 Lyrae minima Sept. 5 d 2 h m, 17 d midnight, 30 d 10 h e, Period 12 d 21 -8 h . 

 Algol minima Sept. 3 d h ll m ;», 5 d 9 h m e, 23 d l h 54 m m, 25 d 10 h 43 m e, 28* 7 h 32 m e, Period 2 d 



20 -8 h 



