46 C. Abbe-—Nebule of Herschel's Cataiogue. 
The Nebula. Description. Its South Pole. 
No. | R. A. |N. P. D. T R.A. IN PD 
ae Oe eetbae he | 
327812 45°9) 78 06 34 |pB; vmE; 3 Bats; fof2. + 18 14| 123°2 
3321/12 rey 67 33°3) 120+ |!; vB; vL; vmE; bMBRN=# ? 10+ 3} 143°3 
3340/12 52°4) 54 23 30+ |vF, pL; vmE; bet 2 st. 5+] 17. 88) dI4 
3386 12 57° : 138321; 38.7 |B; vL; vmE. 1 21. 1) 1145 
3437/13 4:5) 52 11:2 25 j|vB, vL; vmE; vsbMN. 4 18 0| 109°5 
3525/13 17°3)132 17-2} 122°5 i!1; vB; vL; vmE; bifid. 4+ 11} 128°6 
369613 47°9| 8358°5| 15 |F; pL; vmK;r. 7 19 40} 104-9 
37611357°5| 40 9°3| 90+ |pB; cL; vmE; smbMN. _ [2 13° 67| 130-2 
382214 9-7) 53 7-6} 110°3 jcF; pL; vmE; vgvmbM. (2 11 58} 138°5 
40041447 | 855371} 148-4 |[F; pS; vmE; gvlbM. 4 57| 121°5 
4086)1512—| 3210-| 155 |A ray; vmE, par. to 4087. (0 10 38 
4087/15 12°2| 331071] 155 (cB; vL; vmE; vg, psbMN. |3+ | 10 38] 1034 
4614/20 49°5 146 6-4 0 jeeF; vS; vmE; #13 att,n. |2 rg t49 90 
3/21 19-2143 23°3| 90°38 eF; pL; vmE. 1 9  23| 1267 
106 21 26°6/145 10-8; 1271 [pB; pL; vmE: g,pslbM. [1 12 19} 1173 
4830|22 36°5|120 47°1 0 \F; pL; vmE; vgvlbM. 1 at 36| 90 
4860/22 47 |130 24°6 43°3 [cB; L: vmE; mbM. 2 6 53] 1215 
4885/22 54°9)131 34:9 5+ |cF: ps; vmE. 2 5 TF 893 
naeeesid when given to the tenth of a degree; have been care- 
fully estimated when given with an appended +; have been 
roughly estimated when given to the nearest 10°. 
Nortr.—A nebula ary seems a mere ray or line being situated at S’, proay 
this ray into a great circle, $’S”, Seca bait tas is p, and join 9’ and p wi 
the north pole of the hacten s, P, We now hav 
where the Sign of m8 is is positi 
eae ge is the same as the sign of cos (0). 
COS T. 
n=P9s" or the ponies angle of the ray measured n. /. s. p. 
a=right ascension of south pole of nebula. 
(d@)=north pie distance of 
nat a list of explanations of the meanings of the abbreviations used in the 5th 
6th ae ghd of the asad fhe sa tables, see pp. 11-13 of the original memoif 
by Herschel, in the Philosophical Transactions for 1874. 
Washington, August Ist, 1874. 
