214 



MR. ALFRED BROTHERS S 



S 932 Geminorum. 



R. A. 61^ 26"^ 24S. Dec. N. 14° 51'. 



Mags. « =8, 6 =8^. 



Coloxirs: Secchi (1857), both white. 



Epoch. P. i D. 



Struve 



Madler .... 



Secchi 



Dawes 



Dembowski 



1830-53 

 1837-51 

 1857-16 

 1859-15 

 1863-41 



341-70 

 339'56 

 334'38 

 332-07 

 333-27 



2*42 

 2-53 

 2-04 

 2-56 

 2-26 



12 Lyncis. 



E. A. 6^ 34" 



S948. 



18^ 



Dec. N. 59° 34' 26". 



A:B. 

 Mags, a =6,6= 6^. 

 Colours : Smyth, 1839, white, ruddy. 



Herschel. 

 Struve.... 

 Smyth.... 



Dawes , 



Smyth 



Secchi 



Morton 



Main 



Dembowski 

 Kaiser* 



1780-68 



181-23 



IS3I-10 

 1832-96 



15370 

 154-30 



1839-27 



149-50 



1848-22 

 1852-96 



143-35 

 14370 



1857-30 



142-27 



1858-24 



140-15 



1862-31 



136-18 



1863-05 



138-57 



1866-28 



316-50 



1-50 



1-53 

 i'6o 

 i-6o 

 1-69 

 1-50 

 1-68 

 1-55 

 1-53 

 i"72 



* This measure is evidently too 

 large by 180°. 



A:C. 



Herschel 



Struve 



Smyth 



Dawes 



Smyth 



Secchi 



Morton 



Main 



Dembowski .. 



c=7^, bluish, 



1780-68 

 1831-10 

 1832-96 

 1833-13 

 i852-95 

 1857-30 

 1858-24 

 1862-31 

 1863-06 



302-33 

 304-20 

 305-10 

 304-06 

 306-30 



305-50 

 305-90 

 303-58 

 305-77 



9-38 

 8-67 

 8.60 

 8-88 

 9-00 

 8-66 

 8-56 

 8-97 

 8.67 



Orbital period about 700 years. 



a Canis Majoris (Sirius). 



E. A. (i860) 61 39™ 13S. 

 Dec. S. 16° 31' 47". 

 Mags, a —I, b 10. 

 Colours -. a white, b ...? 



Bond 1862-10 85-15 10-37 



Dawes 1864-22 84-86 10-00 



Lassell 1864-20 80-15 9-67 



Struve, O. ... 1864-22 74-80 10-92 



Knott 1866-08 77-15 10-43 



Secchi 1866-28 71-31 lo-io 



38 Geminoeum. 



2 982. 



E. A. 6^1 47™ i\ Dec. N. 13° 20' 56". 



Mags. « =5|, 6 =8. 



Colours: Smyth, 1849, light yellow, 



purple; Dawes, yellow, blue. 



Herschel. . . . 



Struve 



Smyth 



Fletcher .... 

 Morton .... 



Dawes 



Secchi 



Powell . . . . 

 Dembowski 



Main 



Eomberg . 



Epoch. 



1781 

 1829 

 1836 

 1849 

 1851 

 1854- 

 1854- 

 1856- 

 i86i- 

 1863- 

 1863- 

 1863- 



14 



P. 



179-54 

 174-88 

 171-80 

 170-20 

 168-87 

 168-58 

 167-49 

 169-30 

 165-30 

 166-30 

 167-48 

 167-28 



D. 



7'95 

 573 

 6-00 

 5-60 

 6-25 



5'99 

 5-86 

 6-13 

 6-07 

 6-13 

 5-96 

 6-36 



S 1037 Geminoeum. 



E. A. (i860), 7ii4°i 6^ 

 Dec. N. 27° 27' 36". 

 Mags. « =7, 6 =7^. 

 Colours: Secchi, 1856, both white. 



Struve 



1830-42 

 1841-80 

 1848-17 

 1856-67 

 1863-20 



332-67 

 331-10 

 324-67 

 323-07 

 318-10 



Madler 



Dawes 



Secchi 



Dembowski .. 



l-II 



1*33 

 1-32 

 1-24 

 1-22 



a Geminoeum. 



2 1110. 



59' 



E. A. 7^ 25^= 

 Dec. N. 32° 11'. 

 Mags, a =2, b —2i- 

 Colours : Smyth, 1843, white, p. wh. ; 

 Webb, 1854, white; Main, 1863, 

 yellow. 



Herschel. 

 Smyth.... 



Secchi 



Main 



Dembowski 



Knott , 



Dawes 



Talmage 



1778- 

 1830- 

 1849- 



1855- 

 1863- 

 1863- 

 1865- 

 1865- 

 i866- 



27 



302-47 



95 



258-80 



17 



248-10 



82 



245' 1 3 



14 



239-00 



03 



241-66 



04 



239-71 



3^ 



241-45 



13 



237-36 



5-16 



4-70 

 4-90 

 5-36 

 5-39 



5-38 



5-42 

 5-68 



5"37 



Perihelion passage, 1855 (H). 



