Struve 237

Steve Bodin
Star: Struve 237
Date & Time: 22 October 2005
midnight to 1 am local
Seeing: 5/10 at best
Transparency: fair
Location of site: Mattawa WA, USA 46N 119W
Site classification: rural
Conditions: temp 55F, wind to 10 mph
Sky darkness: limiting mag 6 moon rising
Telescope: Meade 16 LX200GPS
Eyepieces: not used
Imaging: DX8263SL video camera at prime focus
Magnification: app. 600x

 Easy primary with a faint third star. But all are in the 10th to 12th  magnitude range and barely show in the finder. Measured; AB 13.78 at 238 deg PA, AC 68 sec at 275 deg PA.
 

 
 
   

Louis Marchesi
Star: Struve 237
Date & Time: 3 November 2005
Time: 4:44 UTC
Seeing: Pickering 4
Transparency: Average
Location: New London Township,
PA, US (+39d45m,-75d52m)
Site classification: Suburban/Rural
Conditions: Clear with passing clouds
Sky darkness: Not determined
Telescope: TMB152 f/7.9 Apochromatic Refractor
Mount: Losmandy G-11
Eyepieces: TeleVue Nagler Type 4 17mm
Magnification: 71x

Struve 237 is an attractive, all white triple. It is wide and pretty easy as well.

        

Florent Losse
Star: Struve 237
Date & Time: Nov 05-06/06-07th, 2005
Time:
Seeing: 7 out of 10
Transparency:  out of 10
Location of site: 4433N 0012W 
Site classification: Rural
Conditions:
Sky darkness: limiting mag = maybe 2/3 at very best, <0 at worst !
Telescope:
- visual : 120mm refractor used as guidescope 
- imaging : homemade Newton 8", Barlow 3x with tube extender, Audine K400 (sampling 0"32/px) 
Eyepieces: 20mm,7.5mm 
Reductions: Reduc V3.49

AB measured : 237°6 / 14"49. C is to faint to stand out in binning
1x1. So I take several frames in binning 2x2. AC : 275°1 / 71"65
 

     

Morgan Spangle
Star: Struve 237
Date & Time: 11/19/2005 (CCD Observing), 25 November 2005 (Visual)
Seeing:
Transparency:
Location: Larchmont, NY  40.55N 73.44W
Site classification:  Suburban
Conditions: Cold, dry, thin high haze; moonless; steady air
Sky darkness:
Telescope:
C9.25 SCT f/10 (CCD: ST2000XM)
Borg 125ED f/6.4 800mmfl (visual)
Mount: Tak NJP Temma 2
Eyepieces: 30, 24, 18, 12.5, 7.5, 5mm Celestron Ultima, in turret.
UO Klee 2.8x barlow
Magnification:

Measured: AB / 14.5 /237.2
AC / 71.7 / 274.5

   
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