Struve 342

Steve Bodin
Star: Struve 342
Date & Time: 7 November 2005, 11pm to midnight local
Seeing: 3/10
Transparency: good
Location of site: Mattawa WA, USA 46N 119W
Site classification: rural
Conditions: temp 34F, light wind
Sky darkness: limiting mag 6.5
Telescope: Meade 16 LX200GPS
Eyepieces: not used
Imaging: DX-8263SL color video camera at prime focus and 3x and 4x
Magnification: app. 600x, 1800x, 2400x

 Nice pair of faint close stars, the big light bucket is an advantage here. Primary classified as F5 and it looks a cream color, secondary is blue-white. Measured; 3.50 sec at 301.5 deg PA.
 

 
  

Florent Losse
Star: Struve 342
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

Haze is sometimes less dense in the night of Nov 6-7th. This pair
is clearly seen and split at 50x with the 120mm. Measured : 304°1 / 3"23
 

     

Morgan Spangle
Star: Struve 342
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: 3.1 / 298.7

   
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