Struve 349

 
Carol Lakomiak
Star: Struve 349
Date & Time: July 12-13, 2003
Seeing: 3 [see
http://www.backyard-astro.com/Logs/logsreport.html
Transparency: --- 
Location of site: 45°N // Tomahawk
WI, USA
Site classification: Rural
Temperature: 56°F at 10pm CDT, dropping to
50°F by 3:15am CDT
Sky darkness:  10/10 (Thompson Scale)
Conditions: Not too much dew; extreme
Lunar interference; generally pleasant
Telescope: Meade 8" f/10 LX-10 (Snoopy )
Eyepieces: 32mm, 13.8mm, 9mm, 5mm
Magnification: 63x, 147x, 226x, 406x
Wide enough to get a black split at 63x.
Both stars white.

 

 
 
Luis Argüelles
Star: Struve 349
Date: 28, July, 2003 , 23:45 -> 2:45 local time
Location of Site: Sena de Luna, Spain
42.55N, 05.57W
Seeing: 6/7 <1-10 Seeing scale (10 best)>
Transparency: 6 -> 5 <1-10 scale (10 best)>
Other conditions: No Moon. 
Temperature:16ºC
Altitude: 1,200 mts (3,940 ft)
Site classification: Rural
Sky darkness: about 5.5
Telescope: Takahashi FS-102
Mount: Vixen GP + Skysensor 2000
Eyepieces: 9mm Nagler, 5mm and 3.8mm Eudiascopics
Diagonal: Zeiss prism diagonal
Magnifications: 91x, 164x, 215x
 
Seeing and transparency have went down to 5. Using the 9mm, the difference in magnitude is clear and at this magnification, this double seems rather tight. 
   
   
   
   
   
   

   
   
  
   
    


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