Struve 27

 
Steve Bodin 
Star:  Struve 27
Date & Time: 13 Sept 2003 11:30pm to 1 am
Seeing: 5 <1-10 Seeing Scale (10 best)>. 
Transparency: Fair
Location of site: Silverdale WA, USA
47N 123W
Site classification: suburb-rural
Conditions: temp 45-50F, dry
Sky darkness: 4.0 due  moon <Limiting magnitude> 
Telescope: Celestron C8
Eyepieces: Video camera DX8263SL at prime focus
Magnification: app. 333x		 Wide pair of unequal magnitude. Yellowish primary, listed as K3, and companion blue. Measurement: 29.33 sec at 316.0 deg PA.


 

 

 
 Ilario Melandri
Star:  Struve 27
Date & Time: 22/9/2003 
Seeing: 9 <1-10 Seeing Scale (10 best)>. 
Transparency:  --- <1 worst - 10 best> 
Location of site: San Romualdo, Italy
Site classification: Suburban-rural
Conditions: Temperature 19º C 
Sky darkness: 4.5 <Limiting magnitude> 
Telescope: 150mm (6”) f/15 refractor
Eyepieces: 16mm Plössl
Magnification: 140x		  Secondary is easily observed with averted vision

 
 

 
Eddy O'connor 
Star:  Struve 27
Date & Time: Wednesday, September 
24th  2003
10.30-11.30 p.m local; UT +10
Seeing: 5 <1-10 Seeing Scale (10 best)>. 
Transparency: 9 <1 worst - 10 best>
Location of site: Terara, New South Wales,
Australia, Long.150.38 ; Lat - 34.52. 
Site classification: 
Conditions: Temp 12° No Moon
Sky darkness:  <Limiting magnitude> 
Telescope: 8" F9 Newtonian
Eyepieces: 16mm and 12mm Ortho.
Magnification: 
Harshaw Scale: 3 <1-5, 1 best>		 Mag. 6.4/10.3; Sep. 29". North of the spear-head of 35,36,38 and 41 Psc is a cruciate group with 27 the brightest star. The primary is a pale white and the very faint companion is just 
spotted  wide.
 
 
 
 
 
 
 
 
 
 
 
 

 

 
William L. Schart 
Star:  Struve 27
Date & Time: 27th, September, 2003
9:00 pm CDT ->
Seeing: 8  <1-10 Seeing Scale (10 best)>. 
Transparency: 
Location of site: Texas, USA
Site classification: suburban
Conditions: No moon
Sky darkness: <Limiting magnitude> 
Telescope: C8
Eyepieces: 
Magnification: 		 A fairly bright yellow star with a much dimmer companion. I estimated the PA at about 330°
 
 
 
 

 

 
Morgan Spangle
Star: Struve 27
Date & Time:  19 October 2003
Seeing: 7 <1-10 Seeing Scale (10 best)>. 
Transparency: 8 <1 worst - 10 best>
Location of site: Larchmont, NY
(40.55.26N,  73.44.43W)
Site classification: Suburban
Sky darkness:  <Limiting magnitude> 
Temperature: 45-40 degrees F
Telescope: Meade ETX 125 OTA 
(127mm, 1905 f.l., f/15)
Eyepieces: 18mm Tak ortho; 9mm Tak ortho;
7mm Tak ortho;
12mm Meade Astrometric eyepiece, barlowed
with 1.7X TeleVue barlow. - PA estimates
noted below are using this eyepiece.
Magnification: 106x, 212x, 272x, 270x		 very wide, need averted vision to pick up the secondary at 212X
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
Luis Balanzino 
Star: Struve 27
Date & Time: October 20 2003, 20h to 22h UT 
Seeing: 7 <1-10 Seeing Scale (10 best)>. 
Transparency: 7 <1 worst - 10 best>
Location of site: Göteborg, Sweden 
57°43' N, 11°58' E 
Site classification: Urban area with
considerable light pollution 
Moon: not visible 
Sky darkness: 4 <Limiting magnitude> 
Temperature: 0-3º C
Telescope: Meade ETX-90 Maksutov (90mm f/13.8) on photo tripod
Eyepieces: 26mm Meade and 12,5mm TAL Plossl
Magnification: 48x, 100x		 Primary bright and yellow. I failed to detect the faint companion before with the Moon, but with success now. 48x.
    
 
 
 
 
 
 
 
 
 
 
 
 

 

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