OF NEBULJE AND CLUSTERS OF STARS. 
39 
No. 
and none of distance ; so that it is impossible to assign specific places to the 
individuals of which it consists. He speaks of five near to h. 2172. The dia- 
gram exhibits only four. One may possibly be III. 166. 
4848 2184, a. In Lord Rosse’s diagram of the group to which this belongs, a is h. 2183 
= No. 4845; /3 = D’Arr. 117 = No. 4844; y = h. 2184 = 111. 217=No. 4846; 
&=D’Arr. 118=No. 4847. That marked as 2184, a is not lettered in the dia- 
gram, and is “ nova.” 
4892 h. 2205=1. 55. Placed in the second class only by M. D’Arrest with the 4^-inch 
Leipzig refractor. In this Catalogue it is set down as only “ pretty Bright,” 
from a mean of seven observations. 
4894 h. 3971=h. 3972. These are assuredly identical; but the minute of R.A. being 
doubtful, that of the earlier 3971 is preferred. The mean of the seconds and 
the Polar distances is taken, blending the two, and also the descriptions. 
4922 h. 2223=111. 222. Three times called by h. “pretty Bright,” and three times 
by h. and H., eF ; vF ; eF. Is this a case of variability 1 
4933 h. 2228=h. 3982=1. 104. Placed in the second class by M. D’Arrest. With 
this the present Catalogue agrees ; making it “ pretty Faint ” by a mean of three 
observations. 
4941 D’Arr. Not included by M. D’Arrest in his final list ; but there are four Obser- 
vations of it recorded in his “ Besultate,” all agreeing well. 
4964 h. 2241 =IV. 18. According to Mr. Lassell this superb “planetary nebula” is 
bi-annular, consisting of a nucleus and two oval rings. 
4966 h. 2242=111. 226. Called by h. in four observations, pB; pB; pB; pB, and in 
two by H. eF; vF. 
4980 h. 2250=111. 213. Not seen by Lord Rosse in 4 observations. In my observa- 
tions of sweep 103, a very short sweep, using the quadrant instead of the index 
arc, and with no good zero star, both R.A. and P.D. may be a good deal 
wrong. My place, however, agrees pretty well with that of H. ( A.R.A. = 5 S , 
A.P.D. = 4'), and the existence of a nebula as described, hereabouts , is certain, 
but it should be looked for within somewhat wider limits. 
4998 h. 2261=1. 110. H. has two observations in which this nebula is called cB; 
h. has one where it is called eF ; adding “ sky quite clear.” 
50031 h. 2263=11. 208. These can hardly be the same. The R.A.’s differ by nearly 
5004J 2 m and the P.D.’s by 6'. The descriptions also disagree. 255°, the position of 
the star 14m in h. 2263, is not np but sp, and the estimates of their magnitudes 
differ materially. 
5015 h. 2271 = 111. 854. A very problematic object, and in which there is great dif- 
ficulty in making out its nature. Stars and nebula oddly mixed. 
50201 h. 2274=11. 230; 2274, a; h. 2275=11. 231. In Lord Rosse’s diagram of this 
5021 1 group, a=h. 2274; /3=h. 2275; y=nova=2274, a. h. sweep 91 makes II. 
5022 J 230 the np of two, and II. 231 “ to have II. 230, 45° sp.” This is contradicted 
