324 PROFESSOR PIAZZI SMYTH ON 
Appear: PLACE- Me caaairee Difference 
Golourcf the Intensity Soca Me ty t vee eeeersc sare aa ue = 
Continuous Object Observed, generally a black, fixed of Bae, or ied nce Romain er nom - ata, Oe NUMBER- || 22 
Spectr Fraunhofer Line. thick \para- eading. Angstrom s Angstrom, 62 
the Place. si maa? of line. ee, Rey. Se aa British Tih, 33 
Spectrum. BA 
Very fine line, ) ( 07 ' 6985 57 542 
mati” | an meeoanes (| EE | 1 | ra i a 
Do. P yee Ween 13 7-092 57 584 
Clear line, | 8 : 2 i 7114 57 593 
Do. 2 \ 7°160 57 611 
Strong unequal double— 
Ist component, 4 I | 7183 Calcium | || 5'7 620} 5, 
2nd Epub o Mens ¢ 2 l | 7°214 and Iron. 57 631 
Strong line, . : ; 2 ] 7°250 Calcium. 57 646 
Very strong line, “little e,” 
hazy— ‘ 
Ist side, 7 7300 1ron, |) 87 $88} x0 
' Zug eile 7 7324 : 57 676 
Fine line, . : 2 7°372 Nickel ? 57 694 
Unequal pe group— 
Ist component, 4 7426 Nickel. 57 715]| 13 
2nd component, 1 7°455 57 728 10 
3rd component, 3 7°482 2 57 738 
Close double line : 1st component, 2 ly 7°527 57 755 4 
2nd 0. 2 I 75388 57 759 
Fine line, . il | 7°580 57 778 
Do. 1 | 7°610 57 789 
Do. 1 77628 57 795 
Very strong line, . 4 7655 Titanium. || 57 806 
INDIGO. | Fine double line: 1st component, 1 7°685 57 818 8 
and do. 1 ppl 7°704 57 826 
Very strong line, 3 7°764 Iron. 57 849 
Strong line, 2 | 7793 57 860 
Fine line, . ie) 1 7804 57 865 
Strong line, 2 | : 7°833 Calcium. 57 875 
Fine line, 1 \ 7-840 57 878 
Group of lines : 1st component, 1 | 7874 | 57 890 5 
2nd do. 13 | 7°885 f 57 895 3 
3rd do. 13) Full 7896 57 898 8 
4th do. 1°3 { 7°910 { 57 906 5 
5th and chief, 2 | 7924 UL 57 911 - 
Strong haze band : 1st side, 3 7986 2 57 933 
Qnd side, 3 7-998 Calcium. |!’ 57 939 “la 
Flat or fainter haze band : 1st side, 2 7-998 57 939 13 
2nd side, . 2 8-030 57 952 
vee strong line, “‘little f,” 
azy— 
Ist side, 8030 57 952 
nd side, {9 Boag {|57 954| Inn. || BY Bgl 8 
rw 
ut 
ioe) 
S 
ap 
ow 
Haze continues up to this line, . Chromium. || 57 965 
Re-focussed telescope. 
Last line repeated, 2 | 8078 Chromium, |} 57 965 
An alternating series— 
ie are Re eI ie || 
3rd do. 2 I iyi] 8228 Calcium? || 58 013 || 78] 
4th do. 1 lll4} 8-240 58 022 |} 94 | 
bth — do. 2 id l 8-295 58 042 |) “4 
6th do. 1 J 8°303 58 046 
INDIGO colour ends here ; VIOLET begins. 
