12 BIBLIOGRAPHY OF ASTRONOMY: 1887. 



Colored stars — Continued. 



Franks (W. S.) Eeport from colored star section. J. Liverp. astron. soc, 5: 



227. 

 vox KOvESLiGETHY (E.) Neue Methode der Farbenbestimmung dor Sterno. 



Sirius, 20: 219, 271. vlZso, Eeprint. (M. 0.40.) 



MoiSTK (W. H. S.) Colors of the stars and solar heat. Obsry., 10: 1G4. 

 Williams (A. S.) Color of Achernar. Obsry., 10 : 272, 334. 

 ■Comet Olbers = Comet 1887 Y (/). 



Detected by Brooks at Phelps, N. Y., 1887, Aug. 24. Astron. jour., 7: 127. 

 Also: Astron. Naehr., 117: 279. Also: Sc. Amcr., 47: 181, 192. Also: 

 Sid. mess., 6: 289. 



Comet Olbers (Elements of). 



Egbert (H. Y.) [From obsns. 1887, Aug. 26, 28, -30.] Astron. jour., 7: 128. 



Also: Sc. obsr. circ, 79. See, also, Sid. mess., 6 : 294. 

 [Correcting Ginzel's elements by obsns. 1887, Aug. 27 to Sept. 23.] As- 

 tron. jour., 7 : 13-5. 

 Franz (J.) [From obsns. 1887, Aug. 27, 28, 29.] Astron. Nachr., 117 : 29-5. 

 GiNZEL (F. K.) [Elements corrected by obsns. 1887, Aug. 27, Sept. 6, 14.] 



Astron. Nachr., 117: 390. 

 Grust (L. J.) [From obsns. 1887, Aug, 27, 30, Sept. 2.] Astron. Nachr., 



117: 343. 

 KrItger (A.) [Ginzel's elements corrected by obsns. 1887, Aug. 27.] Astron. 



Nachr., 117: 309. 

 Lebeuf (A.) [From obsns. 1887, Aug. 27, 30, Sept. 2.] Astron. Nachr., 117 : 



343. ^?so.- Bull, astron., 4: 427. 

 Eambaud (A. A.) & Sy (— .) [From obsns. 1887, Aug. 29, 31, Sept. 2.] 



Compt. Eend., 105: 487. 

 Tetens (0.) [Ginzel's elements corrected by obsns. to Sept. 20.] Astron. 



Nachr., 117: 358. 



Comet Olbers (Observations of position of). 



Albany, Aug. 26-30; Astron. journ., 7 : 128. Sept. 23; Ibid., 136. Sept. 15, 



Nov. 1 ; Ibid., 152. 

 Algiers, Aug. 29, 31, Sept. 2; Astron. Nachr., 117: 325. Aug. 29, 31 ; Compt. 



Eend., 105: 430. Sept. 10, 12, 13, 14, 16; Ibid., 511. Sept. 17, 19, 21, 



22; Bull, astron., 4: 466. 

 BesanQon, Aug. 29, 30, Sept. 1 ; Astron. Nachr., 117 : 341. Also: Compt. Eend., 



105: 431. Sept. 14-17, 21, 22, 26, 30, Oct. 1 ; Compt. Eend., 105: 609. 

 Bordeaux, Sept. 8, 9, 10; Compt. Eend., 105: 456. Sept. 8, 9, 10, 15, 18, 19, 21, 



23, 24, 25; Ibid., 1001. Also: Astron. Nachr., 118: 109. 

 Bothkamp, Sept. 18, 20, 21, 23, 24; Astron. Nachr., 117:387. Oct. 21, 26; 



Ibid., 118: 105. 

 Geneva, Aug. 29; Astron. Nachr., 117: 293. Sept. 6 ; Ibid., SOT. Oct. 1, 17, 



25, 27, Nov. 4; Ibid., 118: 109. 

 Hamburg, Sept. 20; Astron. Nachr., 117: 355. Sept. 23, 24; Ibid., 387. 



