B. A. Gould—Southern Comet of February, 1880. 401 
The observed length of the tail depended, to a considerable 
degree, upon the clearness of the night. 
Lphemeris for Washington mean Noon and mean Equinox 
1880°0. 
1880. R.A; Decl. S. log A. log r. 
hm 8 ° 4 ‘a 
Feb. 2 21 47 33 28 57 27 9868303 9°533186 
4 22: 19°:9 31 10 55 9°847750 9°622916 
6 22 52 59 32 45 2 9°835007 9°691392 
8 23 2% 52 33 36 1 9°829783 9746770 
10 2 18 33 43 58 9°831555 9°793264 
12 35 (0 33 13 55 9°839451 9°833330 
14 1 4 59 32 14 12 9°852389 9°868533 
16 1 31 48 30 54 1 9°869191 9°899922 
18 1 55 27 29 22 31 9888754 9°928246 
20 2 16 27 45 4 9°910133 9°954049 
22 234 8 26 8 41 9°932570 9977744 
24 2 49 53 24 34 13 9°955492 9°999648 
26 3°38 42 9°978483 0°020014 
28 315 56 21 39 14 0001251 0°039043 
Positions as measured from the drawings. 
Date 1880. Feb. 2. Feb, 3. Feb. 4. Feb. 5. Feb. 6. Feb. 7. 
Cordoba M.T. 820™ ghgom ghg5m = ghgom ghg5m ghg5m 
Head R. A. 22h94m 29h40m 99h59m Q3h] 7m 
8. Decl. ' 31°20". 32° 0% 32°60’ 33 
End R. A. - 23536™ 0h40™ 116m 1550™ = 2h20m™ = ghZQm 
Decl. 57° 0’ 60° 0’ 57°40’ 55°40’ 52°40’ 49°30’ 
Length seen 18° a ae Ae Aer 
At 22540™ =. Decl, 43°45” 
Width 1°40’ 
At 23hom S. Decl: $9°30’ . 42°40" 88°45" 36°43": 38°20" 
Wi 1°45” ge fs 
38°20’ 36° 0% 32°45" 
oe Ore 5 
dth ja 1°50". OAS’ 
At 23520 =, Decl. 54°10’ 46°50’ 41°48’ 38°45% 36°40’ 34°20’ 
Width 1*d0" °° 140"? 2° 28 OE OP 10" 
At 23540™ =. Decl. 50°60’ 45°50’ 41°45’ 39°17’ 36°25 
Width yan? St Oe a ey Othe 
At 0hom S. Decl. 54°25’ 49°10" 44°35’ 41°15’ 38°50’ 
Width 40 2G ‘an. 1°88? 
At 020m = §. Deel. 56°BB’ 51°55’ 46°6B’ «43°35. 40°52” 
Width A eR Ne GY ee 
At0'40™" = &_ Decl. 60° 0’ 54°20’ 49°30’ 45° 3’ 42°30’ 
Width oy ee Se Yee” oe 
At 110m S. Decl. 56°36’ 51°35’ 46°55’ 44°10’ 
Width 7 Te Te. Le 
Atlh20™ ~=—s &_ Decl. 53°20’ 48°45’ 46°38” 
Width ig? 20. 10" 
Atl*40™ ~—s§. Deel. 65° 0° 50° 3’ 46°65’ 
Width "7 3.910" Fe 
At 2hom S. Decl. 51°50’ =48° 5’ 
Width PIS Fe 
At 2:20" ~—s §,_ Decl. 52°40’ 49°10’ 
Width 9° 0 — 1°60" 
