Struve 289

Steve Bodin
Star: Struve 289
Date & Time: 27 October 2005, midnight to 1 am local
Seeing: 3/10
Transparency: good
Location of site: Mattawa WA, USA 46N 119W
Site classification: rural
Conditions: temp 40F, 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

 Bright primary and wide faint secondary. Primary a blue-white A type star and companion also seemed blue. Measured, 28.85 sec at 002.1 deg PA.
 

 

 
  

Eddy O'Connor
Star: Struve 289
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

 Light blue primary, v.wide dark blue companion.



 
 
 
Louis Marchesi
Star: Struve 289
Date & Time: 30 Oct 2005
Time: 3:53 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 Panoptic 41mm
Magnification: 29x

 		This was an easy pair to split, even at this low power. The primary is blue-white and the companion a deep red. It gave me the impression of an ember barely seen next to a blue-white blaze. Beautiful!

         

Florent Losse
Star: Struve 289
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

Large and unequal system. Measurement : 001°2 / 28"79
 

 
     

Morgan Spangle
Star: Struve 289
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: 28.3 / 359.1

   
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