Struve 72 

Richard Harshaw
Star: Struve 72 (ADS 745) 
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:  1831, 24.2 / 182 
Year of last measurement:  1991 
Distance (light years):  467 
Luminosity (in suns):  12 
Eyepiece and magnification:  20mm, 104x 
Colors noted:  Both orange. 
There is a very nice field to the south and east. 
Hipparchos/Tycho data show different distances for these stars; they may be an optical system. 
Rating of 3. 
 
 
 
Bill Reinehr
Star: Struve 72 (ADS 745) 
Date & Time: November 14, 2000 - 01:30 UTC  
Seeing: 8 <1-10 Seeing Scale (10 best)> 
Location of site: Pflugerville, Texas, USA  (30 degrees N.) 
Site classification: Suburban  
Sky darkness: 4.1 <Limiting magnitude>  
Temperature: 43° F.
Telescope: 80mm f/5 achromat on Bogen (Manfrotto) head & tripod 
Magnification: 44x (9mm Vixen Lanthanum).

 

Simple to find - adjacent to mu And. A clean split at 44x. 
Easier than I expected but no color noted.