Struve 157

Richard Harshaw
Star: Struve 157 (ADS 1404)
Location of site: Northern Kansas City, Missouri (USA) 
94d 30m west longitude, 39d 15m north latitude 
980 ft above Mean Sea Level 
Date of observations (UT): Nov 2, 2000 at 2330
Site classification: suburban 
Sky conditions
seeing--  8 out of 10 (at times, approaching 9)
transparency-- 7 out of 10 (high, thin and spotty clouds, taking perhaps 1magnitude from the starlight)
limiting visual magnitude-- 4.0 mag
Telescope: Celestron C-8 
Eyepiece: 20mm, 104x
 
 
Year of first measurement:  AC 1832, 12.4 / 115; AD 1905, 54 / 282
Year of last measurement:  1991
Distance (light years):  550
Luminosity (in suns):  21
Eyepiece and magnification:  20mm, 104x
Colors noted:  W, W and undetermined.
The 7.8 mag star SAO 54974 lies just to the SSE.
I rated the pair a 4.  
(There is also a B star, 10.3 mag, at 0.7" / 207, also listed as Bur 736, but I could not detect it tonight.)