Struve 845

Morgan Spangle
Star: Struve 845
Date & Time:
Time:
Seeing: steady
Transparency: hazy skies
Location of site: Larchmont, NY
Site classification:  Suburban
Conditions:
Sky darkness:
Telescope: 125mm refractor, 1500mm f.l.
Eyepieces: 5, 7.5, 12.5, 18, 24, 30mm Ultima plossls
easy in 30mm (50x), pretty, no color
    

Florent Losse
Star: Struve 845
Date & Time: 2-3 and 5-6 02/2006
Seeing: 4 to 6 of 10
Transparency: good
Location of site: 4433ºN, 0012ºW, France
Site classification: Rural
Conditions: 
Sky darkness: m lim = 6
Telescope: Homemade Newton 8" at F/30
Eyepieces: Not used
Imaging device: Audine CCD (KAF400)
Imaging software: Pisco
Reduction: Reduc v3.62

A nice couple. My archives says that I have already measured this one in 2004, 357°34  7"56. Very amazing my actual measurement is 357°35 and 7"58.
 


        

Tim Leese
Star: Struve 845
Date: 6 Feb 2006
Time: 22.30 UT
Seeing: 6-7 <1-10 Seeing Scale (10 best)>
Transparency: --- <1 worst - 10 best>
Location of site: Northwich, Cheshire. UK.
(53° 15' N -2º 33' W).
Site classification: Suburban
Conditions: Crisp cold frost, bright moonlight.
Sky darkness: <Limiting magnitude>
Telescope: 200mm f/6 Newtonian reflector
Mount: Vixen GP
Eyepieces: 30mm Ultima, 9mm Orthoscopic.
Magnification: X40, X133

 30mm Ultima :  Another very nice view which might benefit from less moonlight.  Even so, this double was split into a tight pair of white stars.
9mm Ortho:  An easy split into two white stars. Cats eyes in the sky aligned on a N-S line.

   

Richard Jepeal
Star: Struve 845
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:

Pretty pair.  Yellowish-white primary, secondary whitish.


    

Steve Bodin
Star: Struve 845
Date: 17 Mar 2006
Time: 10pm to 11pm
Seeing: 2/10
Transparency: fair, passing clouds
Location: Mattawa Wa, USA, 46.7N,119.9W
Site classification: Rural
Conditions: 40F, gusty wind, dry
Sky darkness: limiting mag 5.5 due
to moon rising
Telescope: Meade 16 inch LX200GPS UHTC
Eyepieces: not used
Imaging: DX8263SL video camera at prime focus and 2x
Magnification: app. 600x, 1200x

 Nice pair, nice colors and brighter than most. Measurement; 7.73 sec at 357.3 deg PA.
  

  

     

Axel Tute
Star: Struve 845
Date & Time: 19-03-06
Time: 18:45 UT
Seeing: 8 from 10
Transparency: 8 from 10
Location of site: Kössaberg-Dangstetten
Germany / 47º36N, 8º 21E
Site classification: Rural
Conditions: no wind, 3.6ºC, humidity 60%
Moon: no moon
Sky darkness: Bortle 4
Telescope: Celestron 8
Diagonal: Yes
Eyepieces: 26mm Plössel
Magnification: 77x
  
Easy pair. Measured PA= 358.4º. AB = 8.6". No color.
 

  

  
       
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