Struve 1920

Steve Bodin
Star: Struve 1920
Date & Time:14 July 2005, 11pm to 1am
Seeing: 4/5 <1-10 Seeing Scale (10 best)>
Transparency: good
Location of site: Mattawa WA, USA 46N 119W
Site classification: Rural
Sky darkness: Limit mag 6.5
Conditions: 81F, no wind, dry
Moon:
Telescope: Meade 16 LX200GPS
Eyepieces: not used
Additional: DX-8263SL color video camera at prime focus, f/10
Magnification: app. 600x
   
Pair of warm colored K0 equal magnitude stars, Easy split at prime focus. Measurements, 18.57sec at 290.2 deg PA.

 




Morgan Spangle
Star: Struve 1920
 Date & Time:
Seeing: --- <1-10 Seeing Scale (10 best)>
Transparency:
Location of site: Larchmont, NY  40.55.26N 73.43.44W
Site classification: suburban
Sky darkness:
Telescope: Borg 101ED refractor, f/6.3
Mount: Vixen GPDX, SkySensor2000PC goto
Eyepieces: not used
CCD: SBIG ST237A @ 2.39 arcseconds per pixel
Software: Astroplanner; CCDSoft v.5; theSky v.6 Pro;Adobe photoshop
      

STF 1920 18.4"  289.7 deg
  


 


Dave Jenkins
Star: Struve 1920
Date & Time: 5 August 2005
Seeing: 7 <1-10 Seeing Scale (10 best)>.
Transparency:
Location of site: Salt Lake City, Utah
40.3 N 111.7 W
Site classification: Urban area with heavy light pollution. All city lights are acorn style so all lighting goes up and out not down
Sky darkness: 2.5 with 5 best
Conditions: clear, no wind, warm, a little hazy
Moon: no moon
Telescope: Celestron Nexstar 11 GPS w/APT equatorial wedge
Mount: Celestron field tripod
Eyepieces: Meade Super Plossl 32mm - CP4500 Digital Camera @ 4x optical
zoom
Magnification: 350X
Diagonal: Not used
   
Separation: 18.7, PA: 291.1
 

 


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