224 



MR. ALFRED BROTHERS^ S 



2 2455 VuLPEcuL^. 



E. A. (i860), 19I1 o™ 54S. 

 Dec. N. 21° 58'. 

 Mags, a —7^, b =9^. 

 Colours: Secchi, 1857, both white. 





Epoch. 



P. 



D. 



Struve 



1828-77 

 1839-29 

 1855-66 

 1857-29 

 1864-96 





 144.47 

 13660 

 124-20 

 123-01 

 115-53 



4-92 

 4-41 



3-98 



3-70 



3-53 



Macller ...... 



Morton 



Secchi 



Deiubowski .. 



P. XIX. 108 Draconis. 



S 2509. 



E. A. (i860), 19I1 15™ 30S. 

 Dec. N. 62° 57'. 

 Mags, a —6i, b =8. 

 Colours: Secchi, 1857, purple, green. 



Struve 



Secclii 



Dembowski 



1S32-30 

 1857-42 

 1862-98 



353-00 

 340-28 

 343-78 



0-52 



45^ 



S Cygni. S 2579. 



E. A. 19'* 40" 



Dec. N. 44° z 



Mags, a =3^, b =9. 

 Colours: Smyth, 1842, pale yellow, 

 sea-green; Secchi, 1856, yellow, 

 violet; Dembowski, 1865, white, 

 blue. 



2-50 

 1-91 

 1-50 

 i-8o 

 1-50 

 1-57 

 1-67 

 1-46 

 1-70 



Herschel. 

 Struve.... 

 Smyth.... 



Dembowski 



Dawes 



Secchi 



Knott 



1783-7^ 



71-39 



1826-55 



40-39 



1837-78 



30-90 



1842-56 



25-60 



1852-69 



14-70 



1865-02 



350-76 



1865-38 



349-62 



1865-54 



348-45 



1866-68 



348-31 



Perihelion passage, i860. 



O S 400 Cygni. 



E. A. 2oi> 5"! 30S. 

 Dec. N. 43° 33' 42". 

 Mags, a =j-l, b =8^. 

 Colours : 



Struve, O. 



Dawes 



Struve, O. 



1844-83 

 1853-89 

 1861-62 



336-90 



320-55 

 316-70 



0-65 

 0-65 

 0-62 



S 2696 Delphini. 



E. A. (i860), 20^ 2 6'" 36^ 

 Dec. N. 4° 58'. 

 Mags. « =8, 6 =8^. 

 Colours: Secchi, 1856, both white. 





"Kpcch. 



P. 



D. 



Struve 



1831-06 

 1838-27 

 1856-61 





 298-92 

 302-80 

 310-26 



i-o6 



Madler 



Secchi 



0-99 



0-72 



X Cygni. 



O S 413. 



E. A. (i860), 2oh4im 54S, 



Dec. N. 35° 55'. 

 Mags, a =6, b =7. 

 Colours : both white. 



Struve, O. ...|i842-66 122-35 



Secchi 1859-61 101-48 



Dawes 1860-81 96-51 



„ I1866-99 92-51 



0-65 

 0-65 

 0-72 

 0-69 



4 Aquarii. 



S 2729. 



E. A. 2oi»44™ 16^. 

 Dec. S. 6° 7' 45". 

 Mags, a —6,b =8. 

 Colom's : Smyth, 1834, pale yellow, 

 pui'ple ; Secchi, 1856, both yellow. 



Herschel. 

 Struve.... 

 Smyth.... 



Dawes 



Secchi .... 



1782-68 



351-30 



1825-59 



25-00 



1834-69 



45-00 



1854-75 



101-70 



1856-81 



107-86 



0-30 

 o-8i 

 0-50 



o-3± 

 0-30 



6 Equulei. 2 2737. 



E. A. 2o^ 52™ zo\ 

 Dec. N. 3° 46' 46". 



A:B. 

 Mags. « =5^, 6 =7-|. 

 Colours: Smyth, 1838, white, lilac: 

 Dembowski, 1862, both white. 



Smyth 



Secchi , 



Dawes 



Dembowski 

 Knott 



Secchi . 



1838-83 



1855-87 

 1861-57 

 1862-64 

 1863-66 

 1865-68 

 1866-70 



290-00 

 287-44 



285-43 

 283-87 

 287-11 

 288-08 

 290-25 



[Coniinued. 



0-50 

 o-8i 

 0-96 

 0-60 



1-07 

 1-06 



