Zeta UMa (Mizar) 2.3, 4.0 14.4" 152deg (60mm 56x)

Washington Double Star Catalogue data

13239+5456PEA   1Aa    1925 1997   60 247 136   0.0   0.0  2.23   .  
13239+5456STF1744AB    1755 2003  425 143 153  13.9  14.3  2.23  3.88
13239+5456STF1744AC    1831 1991    9  72  71 720.0 708.5  2.23  4.01

• Double Stars
• Extrasolar Planets

• Eagle Creek Observatory - 94 Double Stars in Ursa Major A useful source of data on double stars from Kevin Muenzler