Struve 939


Richard Jepeal
Star: Struve 939
Date: 7 Feb 2006
Time:
6:00pm (EST) to 10:20pm (EST)
Seeing: 6/10
Transparency:
Location of site: New Britain, Connecticut
USA

Site classification: Urban
Conditions: Periods of thin clouds
Sky darkness: 9 day old moon
Telescope: 8in Celestron Nexstar
Eyepieces: 10mm (Radian), 14mm (Pentax), 18mm (Radian),
24mm (Panoptic)

Magnification
:


Delightful small triangle.  Used 85x.  Primary appears to be white and the B star greyish white.  C star color?.
   

   

Steve Bodin
Star: Struve 939
Date & Time: 8 Feb 2006
Time:
10pm to 11pm
Seeing: 4-5/10
Transparency: good
Location of site: Mattawa Wa, USA
46.9N,119.9W

Site classificationRural
Conditions: 33F, slight wind, dry
Sky darkness: limiting mag 4.5 due moon
Telescope: Meade 16 inch LX200GPS UHTC
Eyepieces: not used
Imaging: DX8263SL video camera at f5 with reducer
Magnification: app. 300x

Real jewel of a triple nearly equal and nearly equilateral.  All three stars seem a white color. Actually the WDS has another very faint companion to the west of the primary, just visible but very faint, cataloged as ABH  47. Measurements; AB 30.2 sec at 106.3 deg PA, AC 39.57 sec at 051.0 deg PA, BC 33.33 sec at 003.2 deg PA, AD 36.4 sec at 304.0 deg PA.
 


   


     

Mike Sutherland
Star: Struve 939
Date: 18 Feb 2006
Time:
7:30pm to 8:30pm
Seeing: About 7/10
Transparency: average
Location of site: Beaverton Oregon, USA, 45 28N, 122 51W
Site classification: Suburban
Conditions: 32F (0C), no wind, dry
Sky darkness: limiting mag 4
Telescope: Takahashi FS102
Eyepieces: 30mm Ultima, 9mm ortho
Magnification
:
27x, 91x

Located at 7:57pm PST. This beautiful triple was easily seen the the 30mm Ultima. Resembles an Isosceles triangle with one component half again brighter than the other two. Lovely at any power. 


    

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