Struve 108 

Mary Flanagan
Star: Struve 108 
Date & Time: 21 Oct 2000 02:45 UT; 20 Oct 09:45 CDT 
Seeing: 8 <1-10 Seeing Scale (10 best)>  
Transparency: 8 <1 - 10> 
Location of site: Apple Valley MN, USA 
93d 14m 25s W; 44d 45m 17s N 
Site classification: Suburban 
Sky darkness: 4 <limiting magnitude> 
Telescope: 8" f/6 Dobsonian  
Magnification: 109x 
 
A little blue-white primary and a  _really_  little secondary, which took some averted vision to get.  Secondary looked white to me. 
 

 
 

 

 
 
Richard Harshaw
Star: Struve 108 (ADS 1055) 
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: 10mm, 207x 
 
 
Year of first measurement:  1830, 5.9 / 62 
Year of last measurement:  1991 
Distance (light years):  456 
Luminosity (in suns):  48 
Eyepiece and magnification:  10mm, 207x 
Colors noted:  W, yO. 
It was split at 104x, but looked better at 207. 
Star A is a spectroscopic binary. 
Rating of 3. 
 
 
 
Jim Jones
Star: Struve 108 (ADS 1055) 
Date and Time:  02:13 UTC, 11/16/00 
Seeing: 5/10 <1 worst - 10 best> 
Location of Site:  Lake Oswego, Oregon 
Site Classification: Suburban 
Sky Darkness: 3.5 <Limiting Magnitude> 
Telescope: 8 inch LX50 SCT 
Eye Piece(s):  18mm Radian 
Magnification:  112x 

 
 
 

Est PA without inst...70d 
Field very washed out due to suburban lights and the twilight.  No field stars to speak of.  Magnitude 10 companion very visible even in 26mm EP. 
 
 
 
 
Bob Hogeveen
Star: Struve 108 (ADS 1055) 
Date & Time: December 30, 2000  21.00->23.30 UTC+1  
Seeing: -- <1-10 Seeing Scale (10 best)>. 
Location of site: Annen, The Netherlands (53 N, 6 E) 
Site classification: Village-backyard  
Sky darkness: 4.5 <Limiting magnitude> 
Conditions: Now and then some clouds
Temperature: -2ºC
Telescope: Meade LX10 (8" SCT)
Eyepieces: TV 40mm, Meade 25mm, TV 20mm, Vixen LV 7mm
 
Very well visible with 50x and 100x. Nice pair because of the magnitude-difference
Rating : 3