Washington Double Star Catalogue data

18369+3846H 5  39AB    1792 2000   66 116 182  43.0  78.2  0.03  9.5 
18369+3846STFB  9AC    1864 1881    3 299 293  46.9  51.5  0.0  11.0  
18369+3846STFB  9AE    1831 1999    9  40  39 150.0  91.7  0.0   9.5 
18369+3846STF3136BC    1864 1864    1 314 314  89.6  89.6  9.5  11.0  
18369+3846STFB  9CD    1897 1897    1  35  35  31.3  31.3 11.0    .    

Beta Lyr (Sheliak) v3.4, 8.6 46" 149deg (60mm 36x 56x)
(320x240 224 frames 1/25s 100% gain) (320x240 155 frames 1/25s 50% gain)

Washington Double Star Catalogue data

18501+3322STFA 39AB    1800 2002   79 150 150  47.3  46.0  3.63  6.69
18501+3322BU  293AC    1878 1998    4 248 247  46.3  46.7  3.63 13.0
18501+3322BU  293AD    1898 1998    5  68  74  64.3  80.1  3.63 14.3
18501+3322BU  293AE    1834 2002   26 320 317  60.0  67.2  3.63 10.14 
18501+3322BU  293AF    1834 2002   23  25  19  71.0  86.9  3.63 10.62 

Washington Double Star Catalogue data

18545+3654ES 2028AB    1923 1995    5 350 349  87.0  88.3  4.30 11.2
18545+3654ES 2028BC    1923 1995    4 138 142   2.2   2.0 11.2  11.6

Washington Double Star Catalogue data

18443+3940STF2382AB    1779 2003  539  34 352   3.4   2.1  5.01  6.10
18443+3940STFA 37AB-CD 1830 1998   81 173 174 207.3 210.5  5.01  5.25 
18443+3940STFA 37AD    1903 1991   10 172 172 209.0 208.7  5.01  5.38 
18443+3940STFA 37AI    1863 2000   13 135 137 145.4 150.2  5.01 10.43 
18443+3940STFA 37BC    1903 1991   10 173 172 210.6 211.0  6.10  5.25 
18443+3940STFA 37BD    1903 1991    9 173 172 212.2 211.2  6.10  5.38 
18443+3940STFA 37BI    1909 1956    3 137 137 147.6 147.1  6.1  10.43 
18443+3940CHR  77Cc    1985 1997    4  66 314   0.2   0.1  5.1    .   
18443+3940STF2383Cc-D  1779 2004  559 174  82   3.5   2.4  5.25  5.38  
18443+3940STFA 37Cc-I  1863 2000   11  37  37 129.1 121.6  5.1  10.43 
18443+3940STFA 37DI    1909 1910    2  36  36 126.4 126.5  5.4  10.43 
18443+3940SHJ 277EF    1831 2001    5  41  37  45.0  46.0 10.1    .   
18443+3940SHJ 277EG    1878 2001    4 247 238  42.6  49.5 10.1    .  
18443+3940SHJ 277GH    1878 2001    4 356 358  25.0  35.1   .     .   

Zeta Lyr 4.3, 5.9 44" (60mm 36x 56x)

Washington Double Star Catalogue data

18448+3736BU  968AB    1889 2000    5  49  51  26.9  23.8  4.36 15.8 
18448+3736BU  968AC    1880 1923    4 275 272  43.4  46.1  4.3  13.3 
18448+3736STFA 38AD    1779 2003   82 152 150  42.0  43.8  4.34  5.62
18448+3736BU  968AE    1880 2000    6 304 299  61.7  61.9  4.3  11.5 

Eta Lyr 4.4, 8.6 28.1"(102mm 52x)

Washington Double Star Catalogue data

19138+3909STF2487AB    1823 2003   53  84  80  29.3  28.1  4.38  8.58
19138+3909STF2487AC    1880 1998    5 151 151 161.3 161.9  4.37 11.42

19135+3902SHJ 289      1879 1999   22  57  56  39.7  39.5  8.01  8.71

Washington Double Star Catalogue data

19164+3808SHJ 292AB    1823 2002   17  72  70  90.0  98.8  4.48 10.14
19164+3808SHJ 292AC    1880 1998    5 127 128  99.9 101.4  4.36 11.0

OStruve 525 6.0, 7.7 45" (102mm 52x)

Washington Double Star Catalogue data

18549+3358STT 525AB    1849 2003   15 124 128   1.6   1.8  6.14  9.12
18549+3358SHJ 282AC    1846 2004   29 351 349  45.5  45.1  6.14  7.60
18549+3358SHJ 282AD    1880 1998    4 285 295 193.2 214.8  6.14 11.03

• Double Stars
• Deep Sky

• Eagle Creek Observatory - 62 Double Stars in Lyra A useful source of data on double stars from Kevin Muenzler