718 EAEL OF EOSSE ON THE CONSTEHCTION OE SPECULA OE 6-EEET APEETUEE, 
Number in 
Number 
Herschel’s 
of times 
Description. 
Catalogue. 
observed. 
530 
7 
B. nucleus, surrounded by very extensive neby. 
531 
Coarse cl. 
532 
7 
Dec. 29, 1851. vL. lenticular ray, slightly concave towards np. direction; gvmbM; perhaps 
10' long. March 1, 1854. Uncertain whether nucleus is stellar. Query, parallel 
dark hues exterior to nucleus as in Andromeda. March 8, 1858. on np. edge is d. 
533 
1 
March 11, 1858. 4 neb. here, nearly in line p. and f. 
535 
9 
d. neb. sm-roundcd with E. neby. 
536 
6 
6 knots in the immediate neighbourhood, two of which have * in their edges. 
537 
2 
^ with fan-shaped neb, very like Herschel’s fig. A 2nd E. star involved in the neby. 
538 
1 
March 1, 1856. E. bM. 
540 
8 
r ; d. * in s. extremity ; nucleus. 
542 
1 
Feb. 19, 1855. wE. nucleus ; r. 
549 
1 
Feb. 18, 1855. d. neb. 
550 
1 
March 12, 1852. An amorphous mass of neby. of uneven character ; E. p. and f. 
551 
3 
Jan. 20, 1857. IE. p. and f ; and vlbM. 
553 
4 
Feb. 16, 1858. Nucleus ; pB ; E. nearly n. and s. 
555 
3 
Dec. 29, 1851. A B. ray like 242. 
556'^ 
559 y 
2 
4 neb, one of them wF. and one E. 
561 j 
557 
1 
Feb. 23, 1857. vF ; IE ; IbM. 
562 
4 
vF. ray; np, sf. 
563 
7 
Feb. 16, 1858. Mottled, and suspect spiral; r. March 11, 1858. B. ^ close f. 
564 
2 
March 26, 1851. vbM. 
566 1 
567/ 
1 
March 13, 1850. A third, and eF. neb. found. 
569" 
2 
IE. 
574 
1 
Jan. 8, 1851. ^ in edge; E; S. 
575 
2 
Feb. 9, 1855. 2 neb. found ; both F. and IbM. . 
580 
2 
March 15, 1855. E. nearly n. and s. ; has a * touching its nf. edge, and is mbM. 
( 
There are here 15 knots. The positions of six of them were taken. 
' 
Pos. Dist. 
March 26, 1851. a/3 226° 0' 25" 
581 "1 
i ay 237 1 12 % 
582 / 
1 
i aJ 263 5 9 / 
as 125 4 13 y*W * 7 
s? 120 8 8 7 
; 
March 14, 1850. a^ 235 about 0 30 ^ 
1 
. 
(3y 245 about 0 45 
584 
5 
The neb. involves one of Herschel’s *s. 
587 
1 
Mar. 15, 1855. Has a F. knot close np. 
588 
1 
Nucleus. 
5891 
591 1 
4 
3 found ; 2 of them E. and IbM. 
592 
2 
*s in its edges, and suddenly condensed in the centre. 
593 
5 
Feb. 14, 1855. Stellar points in outlying F. neby, especially two, which I can plainlj^ see 
vdth the g-inch single lens ; sbM. 
j 594 
1 
r 
Mar. 9, 1858. E. neb. between 2 *s. ^ ' 
Feb. 22, 1857. Fine d. neb, both mbM. and both E, especially the f. 
i 597 1 
o 1 
one, which seems to have a bend at a. Query, a vF. neb. at /3 ? _ 
598 [ 
1 
Mar. 18, 1857. All the particulars of my last observation fuUy yy 
confirmed. “ Nova ” at /3 seen. • 
600 
3 
Feb. 19, 1855. pF; E; bM. to nucleus. 
1 604 
24 
(18 times since 1850.) Nothing additional, except 3 *s as in diagram. 
1 
! 
j 
Mar. 9, 1858. Very well seen ; central nucleus looks r. A * sus- 
pected at a, and one or more m the F. neby. at /3 ; and a * seen / 
at times quite steadily at y. I employed the inch and |-inch 1,^ ^ ^ 
single lenses. March 11, 1858. Seen as well as on last observa- ^ Tf 
tion. I have now verified the 3 *s which I then noticed. 
610 
4 
Mar. 24, 1857. Much mottled. Mar. 11, 1858. Has a d. * in it. 
