204. REPORT—1852. 

Appearance and Brightness Velocity or 
Trains or sparks. 



magnitude. and colour. duration. 
1851. | h m = 
Nov. 15] 6 18 ...... Smalls ity .seeseeens Yellow .........|Slight tail ..........esse.+..([mstantaneous ..... 
6 20)... Small .....sssececresecelsvene Seavwasee es teltice acectarateessces coseoesseees (Instantaneous ..... 
VG}96 758) s.2. Se Dees adem ses eontlanetanusekdoee sss WEBI) cadeegdecsevscenee erect or ZT BECRs sceccaccouaetie 
1 o Avtederwecs Small, thus :-— White .:....... Separate stars .......eeceee0e(¢ SEC. 3 Tapid .,..0d) 
Tee, 
Ana) caeaes Smale io ccetss ase pet vs| pesiecacans wesseees| NO) tall ssnconcscucssusonscrares Instantaneous ..... 
7 DOOM HSMAAML: eoraue ties ssqersaleascetnasesicateeleesees scenide cvecah teeeen eNO pone eee 
7 490 16.56: =tO Satur. sccseees22| REM. 62.6.0, .....[Continuous train left ...... 3 SECS. sesssessessead 
) 
17|10 50 ......,=to Rigel ............ Coloured, bril-/Slight sparks .......... Seacalrecsetes taecceeeescocas 
liancy of Rigel. i 
1810 8 ...... =Ist mag. .......6000 Red ......... vesINO tail... ssceseeesssneesecees|ennseeseseseseeeeen snes, 
i 
20)11 10 ......)}=3rd mag. .......... ..{Orange...... pec OPAUKSh oe fet paascscescncaneans 1 SEC. ......ccseeenmim 
11 13 ......|=3rd mag. .........+.-|Orange........./SParks ......... ee ee 
BO) Ge2G ec ccclesssccvsncereose Sevscettest =Ist mag. ...Jeseseeceee nedess en serseessesseses(Passed midway bel 
tween x and x Dra 
conis,and over ¢ Ur 

see Majoris. 
Dec. 1] 8 23 45° |=twice Saturn ..... .|Red and Separate sparks .........0 4 SECS. cecsceccnsneml 
orange. The following figures will | 
show its several appear- 



ances :— 
2411 4...... =3rd mag. .........-..,Orange........./Train of light left ....... -|Rapid, being in 
stantaneous. 
ZG Bit3\ eens =2nd TAQ. .:6065000000 Orange....... eal Dalle cogedcees scscceocsesstcecs}e SECO aeceeent sem 
2910 14 ....../=2nd mag... Yellow ....e0... Wail seca pt eae zat 800. “ssaeeosesse 
7 46 ......;Orange, outshone |......see..s.se0es Without a train .......... ..(InN.E. alt. 12°, an 
Mars. moved down t¢ 
wardsthe extremit 
of an auroral arch 
Its path formed 4 

angle of about 60 
with E. horizon. 1 
vanished when 1} 
above the uppé 
edge of the” arcl 
near its E.extrem: 
ty; at about 1™ late 
a very great chang 
occurred in the at 
rora,it becamevel 
active, verybrilliai 
streamers - | 

ring for 15™. 
