Otto Struve 514 

Richard Harshaw
Star: Otto Struve 514 
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): 03:30, Oct 17, 2000 
Site classification: suburban 
Sky conditions
seeing-- 8 out of 10 
transparency-- 7 out of 10 
limiting visual magnitude-- 4.5 mag 
Telescope: Celestron C-8 
Eyepiece: 7.4mm Ortho (280x) 
 
 
B was very difficult, only being confirmed with averted vision. There are two other faint stars in the same field, at a PA of approximately 330.  The closer of the two is a deep red! 
 
I'd rate this pair about 4 out of 5 (1 is best, 5 is poor). 
 
The companion is a spectroscopic binary and an infrared source.  The primary is also a spectroscopic binary (0.1" separation), so the system is really a quadruple. 
 
 
 
Rafael Benavides
Star: Otto Struve 514 
Date & Time: 19-October-2000 (21 h 00 m UT) 
Seeing: 6.5 <1-10 Seeing Scale (10 best)> 
Location of site: Posadas (Córdoba), Spain 
37º 48' N - 5º 08' 30" W 
100 mts over sea level 
Site classification: Suburban 
Sky darkness: 5.6 <Limiting magnitude>  
Temperature: 17ºC 
Telescope: Helios 120 mm f/8.3 achromatic refractor 
Eye Piece(s): Plossl 7.5 mm, Microguide 12.5 mm, 2x Barlow, diagonal prism. 
  
 
Star: Otto Struve 514 
         00 h 04 m 36.6 s + 42º 05' 33.2" 
        magnitudes:   6.13  (A2),   9.63        (Guide 6.0.) 
        WDS 1991: 5"2 / 170º 

Observations: Using 133x (Plossl 7.5 mm) an unequal pair of stars was observed. The primary seemed pale yellow and the companion was too dim to say (maybe red). B is too dim for the MicroGuide. 

 
 

 
 
Ilario Melandri
Star: Otto Struve 514 
Date & Time: 1 nov 2000 , 19.42 UT 
Seeing: 6 <1-10 Seeing Scale (10 best)>  
Location of site: Italy, Ravenna, San Romualdo, Lat 44 32’N Lon 12 08’E 
Elevation: 0 m 
Site classification: Rural  
Sky darkness: 4.5 <Limiting magnitude> 
Temperature: +9C 
Telescope: 150 mm f/15 achromatic refractor (lens by Romano Zen, Venice). 
Magnification: 140x (Plossl 16mm) 
 
 
  
 
 
Susan Delaney
Star: Otto Struve 514 
Date & Time: 2000-11-21 
(02:00 - 04:30 UT) 
Seeing: 8 <1-10 Seeing Scale (10 best)>. 
Transparency: 9/10 
Temperature: 32 F, w/wind chill 14 F 
Location of site: Fairfield, CT, USA  
Site classification: Suburban   
Sky darkness: 4.7 <Limiting magnitude> 
Telescope: Discovery 10" DHQ f/5.6 Dobsonian 
Eyepieces and Magnification: 
5mm Radian (284x), 10mm Plössl (142X), 
22mm Nagler (64x)  
 
At 142x, the secondary star was much fainter than the primary. The primary 
appeared to have a very faint tinge of yellow to it giving it an extremely pale yellow color while the secondary was faint in comparison and looked white to my eye. 

Since the weather report said it was 14F with the wind chill, I donned my ski mask, neck gaiter, hat, parka, ski socks, snow boots, and a pair of lined gloves with a pair of fleece mittens over the gloves. I was warm and very comfortable for the entire session with this setup until the last half hour when my toes started to hurt from the cold but Orion had just cleared the trees and I was determined to stay out until I had spent time observing Orion too. 

After playing around with the DSC for the first half hour and not having any success getting the blasted warp factor below .5, I decided to try locating M31 with it to see how close it would get me to it and was pleasantly surprised that it took within a 1 degree FOV. So I decided to tackle the first 3 doubles on the 33-doubles list for Andromeda using the RA and Dec guide feature. Noting which way I had to move the scope 1 degree to center M31, I headed over to Otto Struve 514 And. There was a double in the FOV and I am making a huge assumption that I was indeed viewing my targeted double.