316 Intelligence and Miscellaneous Articles. 



CIRCULATED BY THE ASTRONOMICAL SOCIETY. 



Principal Lunar Occultations of the Planets and fixed Stars in Octo- 

 ber 1830. Computed for Greenwich by T. Henderson, Esq. 



1830. 



Stars' Names. 



Ast. Soc. 

 Cat. No. 



Mag. 



Immersions. 



Emersions. 



Sidereal 

 time. 



Mean 

 solar time. 



s 



< 



Sidereal 

 time. 



Mean 

 solar time. 



"So 



C 

 < 











h m 



h m 







h m 



h m 



o 



Oct. 1 



10 Ceti 



32 



6 



56 



12 15 



145 



2 



13 19 



291 



2 



89/ Pise. 



139 



6 



21 15 



8 31 



20 



21 47 



9 3 



318 



5 



48 Tauri 



468 



6 



21 38 



8 42 



120 



22 7 



9 11 



189 



— 



y —— 



478 



3-4 



23 15 



10 18 



116 



23 52 



10 56 



195 



— 



71 



503 



5-6 



2 6 



13 9 



33 



2 57 



14 



309 



— 



t x 



510 



5 



3 14 



14 17 



91 



4 26 



15 29 



281 



— 



P 



511 



5-6 



3 15 



14 18 



71 



4 25 



15 27 



301 



— 



(99) 



516 



5-6 



4 27 



15 30 



136 



5 29 



16 31 



266 



— 



85 



520 



6 



5 12 



16 15 



53 



5 48 



16 50 



363 



- 



Aldebaran 



528 



1 



7 45 



18 47 



225 



1) 's limb almost grazing ; 

 star occulted to places 

 further south. 



6 



111 Tauri 



640 



6 



59 



11 58 



61 



2 4 | 13 3 |244 



— 



117 



655 



6 



3 16 



14 15 



341 



}) 's limb almost grazing ; 

 star occulted to places 

 further north. 



11 



31 A Leon. 



1207 



5 



5 52 



16 31 



74 



6 48 



17 27 



185 



14 



Venus 







*6 20 



16 47 



342 



7 1 



17 28 



264 



23 



43 d Sagitt. 



2230 



5 



19 28 



5 22 



112 



20 48 



6 41 



282 



27 



81 Aquarii 



2W8 



6 



1 19 



10 56 



175 



2 11 



11 48 



285 



30 



v Piscium 



184 



5 



19 53 



5 19 



25 



£0 30 



5 56 



295 



31 



P Ceti 



293 



4 



21 40 



7 2 



9 



22 8 



7 29 



313 



The angles are reckoned from the vertex, towards the right hand, 

 round the circumference of the moon's disc, as exhibited in an in- 

 verting telescope- 

 Apartments of the Astronomical Society, 



57, Lincoln's Inn Fields, August 24, 1830. 



AURORA BOREALIS. 



In the evening of the 20th, between 8 and 9 o'clock, a bright light 

 appeared in the northern horizon, and continued to rise and fall till 

 twenty minutes past 9, when it occupied a space of 75 degrees; 

 and at this time the first column of light, being thin and of a flame- 

 colour, rose from its ba^e nearly under Polaris, and was followed by 

 many other columns from half to 3 degrees in width, some of 

 which ascended upwards of 30 degrees. About 10 o'clock the 

 greatest display of coruscations happened, when eight or ten distinct 

 columns of light, nearly equidistant from each other, appeared at one 

 view, and several small meteors showed themselves above the aurora, 

 whose approach was indicated immediately after sunset by a fine rose- 

 colour in the northern horizon, the same as the last was on the 19th 

 of last April. During its continuance for three hours, the sky was 



At immersion, in or under the horizon. 



perfectly 



