346 MR WILLIAM SWAN ON THE ECLIPSE OF THE SUN, 1851. 
TABLE II. Observations of Red Prominences and Spots on the Sun. 








Calculated ang] 
Goteborg M.'7, | Observed angle from | fom Sun's north 
P point. ’ 
Group of spots, 15 from Sun’s limb, 1» 37™ | 96° 30’ west. 288° 47’ 
Single spot, 1! from limb, . 1 40 62 00 east. - 87 17 
Hook-shaped red prominence, . | About 3 58 | 110 30 west. 282 8 
Serrated prominence, : : About 3 58 132 40 west. 259 58 
Bright rays in corona, : . | About 3 58 28 30 east. Clvas 




TaBuE III. Phases of the Eclipse observed by MM. Swan and Lane, 
in Lat. 57° 42' 573 N.; Long. 0» 47™ 455-2 E. 
First external contact, 2h 53m 484 About 25 late. 
Beginning of totality, 3 55 52°6 
End, Ze) Bcd 
Last external contact, 4 57 57°8 Probably too late. 
TABLE IV. Phases of the Eclipse observed by Lieutenant Pettersson, in Lat. 57° 42’ 6-"2 N. 
Long. 0" 47™ 515 E 
First external contact, Qh 538m 389 
Beginning of totality, 8 55 58-2 ‘Too late. 
End, Sy ay 8 +2 
Last external contact, 4 58 2-6 Difficult to observe. 
TABLE V. Thermometrical Observations. 




Times. Dry Ther. Wet Ther. 
| 
gn 45m 66 60° 
2 53 ae As 3 First external contact. 
3 0 | 64 59 
3 15 62 57:5 
3 30 | 61 56°6 
3 45 | 60 57 
3 50 57:8 55°d 
3 56 iss oe Beginning of totality. 
3 59 oe End of totality. 
4 10 57 55 
4 30 58°5 56 
4 45 60 57 
4 55 | 62:3 59-5 
4 58 ate oe Last external contact. 
5 5 62 58°5 
5 30 62 575 


