OBSERVATIONS OF LUMINOUS METEORS. 

 observed during the vears 1877-78— continued. 



323 



Appearance of the 

 Meteors 



Meteors short, white 

 chiefly 1st and 2nd mag., 

 slightly trained. 



Bright meteors, without 

 streaks ; rather short and 

 quick. 



Short paths, leaving streaks 



Bright slow meteors ; long 

 paths. 



One bright = a Lyrse ... 



Slow ; long paths, 15°-20°; 

 no streaks. 



Quick; short paths, about 

 7°, with streaks ; 3 |s 

 = V, several 1st mag., 

 among the 59 observed. 



Many very bright, with 

 streaks ; 4 = %, others 

 = S > and Sirius. 



Of the \.a mapped, 1 =- 9 , 

 1 = Sirius, 9 = 1st mag 

 stars, all leaving streaks. 



Observer or Keference 



K. P. Greu 



A. S. Herschel 



W. F. Denning, ' Monthly 

 Notices' K.A.S., vol. 

 xxxviii. p. 396. 



W. F. Dennine 



J. E. Hind (these Ee- 

 ports, vol. for 1875, pp 

 215, 216). 



W. F. Denning 



Comparison with earlier observations, 



and with Comet Showers ; and 



Eemarks 



W. F. Denning . 



W. F. Denning 



W. F. Denning, 'The 

 Observatory,' vol. ii 

 p. 165. 



H. Corder, Chelmsford 

 ' The Observatory, 

 vol. ii. p. 160. 



Eadiant of thirty tracks mapped on 

 Dec. 9 and 11; shower increased in 

 brightness and precision of radiant 

 to Dec. 11, p.m. (appearing some- 

 times one per min.) ; no sub-radiant 

 seen. 



A bright shower, 4 h -4 h 30 m a.m. Jan. 2 ; 

 none seen in half-an-hour a.m., 

 Jan. 1 and 3 ; radiant diffuse, not 

 very exact. 



Very exactly defined radiant of several 

 foreshortened paths (/ 1861 I. at 

 270° + 32°). In two-hour watches, 

 six Lyrids on April 21, and three 

 Lyrids each on April 20 and 22, p.ni 



A rich shower, with very exact radiant- 

 point ; confirms S. Z. 98, July 18, 

 332° + 35°. [See the next shower]. 



Many 4.S, between 9 h 30 m and ll h p.m. 

 with most distinct radiant-point. 

 Confirms S.Z. 123, July 30, 345° + 40°, 



A fine bright shower, July 28, p.m. 

 (= T. 43, July 27,28, 1870, 340° -14° 

 to - 19°). 



A short rich shower with precise ra- 

 diant-point ; max. July 31, p.m. 

 (= Schm., Aug. 3-12, 31° + 55°) 

 Only five or six true Persei'ds seen 

 on July 31 and Aug. 1. 



Confirms G. 103 ; also observed 1877, 

 Aug. 3-16; = g 1780 II., Aug. 14, 

 3° + 38° (?). 



The Perseids ; watched all night till 

 after moonset ; less plentiful than 

 on Aug. 10, 1877. The radiant, from 

 numbers of foreshortened paths 

 near it, distinctly double. On the 

 7th, six Persei'ds among sixteen Is ; 

 radiant, 42° + 57°, inexact. 



Eadiant of 40 or 50 remarkably accor- 

 dant tracks; short 4-s near the ra- 

 diant gave 45° + 57° ; and one was 

 stationary at 47° + 58°. (Sky over 

 cast on the 9th and 1 1th ; sixty-one 

 4,s in three hours and a quarter, 

 on Aug. 7, many Perse'ids, radiant 

 43° + 55°). 



agrees exactly, is wrongly given as 335° + 40°. The shower observed by Mr. 

 Denning on July 25-26 confirms a new member of Schiaparelli's ' Lacertid ' group 

 S.Z. 98, 103, 106, 123, July 1S-30 (average position 337° + 41°). 



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