Struve 200


Florent Losse
Star: Struve 200
Date & Time: Oct 07-08th, 2005
Time:

Seeing: 7 out of 10
Transparency:  out of 10
Location of site: 4433N 0012W 
Site classification: Rural
Conditions:
Sky darkness: limiting mag = 6
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

Easy to split but faint, not so easy in fact ! Measures : 123°6 / 8"10   


       
 
Steve Bodin
Star: Struve 200
Date & Time: 10 October 2005,
midnight to 2 am local

Seeing: 5/10 at best
Transparency: fair
Location of site: Mattawa WA, USA 46N 119W
Site classification: rural
Conditions: temp 48F, dry no wind
Sky darkness: limiting mag 6.5
Telescope: Meade 16 LX200GPS
Eyepieces: not used
Imaging: DX8263SL video camera at prime focus
Magnification: app. 600x

Easy pair of white color, but somewhat faint. Measured; 8.13 sec at 122 deg PA.
 

 
 
  

Louis Marchesi
Star: Struve 200
Date & Time: 30 October 2005
Time:
3:48 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

At 71x, this was a faint, but easy, pair. I thought the colors might be bluish and reddish, but these were more impressions than seeing color. Faint stars are for the most part "colorless" to me.


     

Eddy O'Connor
Star: Struve 200
Date & Time: Thursday, November 3rd,
2005

Seeing: 7/10
Transparency: 8/10
Location of site: Terara, New South Wales,
Australia,
Long.150º.38 ; Dec. S 34º.52
Site classification: rural
Conditions: Temp. 18ºC
Sky darkness: limiting mag 6.5
Telescope: 8" Newt. F9
Eyepieces: 25mm K, 12.5 mm Ortho
Magnification: app. 600x
Harshaw Scale 1-5: 1 best

Almost equal wide pair, difficult to see with direct vision.HS4.



 
  

Mike Sutherland
Star: Struve 200
Date & Time: 19 November 2005
Time:
8:00 pm to 9:30pm PST
Seeing: 5/10 at best
Transparency: fair
Location: Beaverton, Oregon, USA
45.5N 123W

Site classification: Suburban
Conditions: temp 38F, clear and falling temps
Sky darkness: Limit mag ~ 4.0
Telescope: Takahashi FS102
Eyepieces: 32mm plossl, 12.5mm Ultima, 9mm ortho, 7.5mm LE, 6mm ortho,
5mm LE
Magnification: 26x, 66x, 91x, 109x, 137x, 164x

8:41pm PST. A little challenging to find with just a few field stars in that area of Uranometria. First detected it at 66x. Got the cleanest, sharp separation at 91x. Anything higher was affected by poor seeing so didn't resolve anything better. Primary about double the brightness of secondary. No color.


  

William Schart
Star: Struve 200
Date & Time: Friday, 19th, Nov/2005
Time: ---

Seeing: ---
Transparency: ---
Location: Columbia, MIssouri, USA
Site classification: Suburban
Conditions: ---
Sky darkness ---
Telescope: Celestron C8
Eyepieces: 25mm, 17mm, 10mm
Magnification:

Rather dim but still easily seen and split.  Blue in color, PA estimated at 120.
  

Morgan Spangle
Star: Struve 200
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:

very dim white pair, wide and easy in the 12.5. I'm thankful for the goto with this one, it'd be a tough find under these conditions...
Measured: 8.0 / 124.0



   

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