Struve 26

Bob Hogeveen
Star: Struve 26
Date & Time: May 06, 2005, 22.15 LT
Seeing:
Transparency:
Location of site: Annen, The Netherlands, 53N 6E
Site classification: Suburban
Sky darkness:
Telescope: AP Starfire 5' f/6
Mount: Losmandy G-11
Eyepieces: Pentax 40mm + TV powermate 2x
Magnification: 40x
 		A well known favourite of mine, but mainly because of its neighbour Kappa. Both are in the same FOV with low power. The Starfire @ 40x gives a wonderful view of this. Kappa is the more beautiful double, Iota is really a bit too wide.


Florent Losse
Star: Struve 26
Date & Time: May 23-24th, 2005
Seeing: 3-6/10
Transparency: poor, high altitude clouds
Location of site: St Pardon de Conques, France 4433N 0012W
Site classification: Rural
Conditions:
Sky darkness: m=5 between clouds
Moon:
Telescope:
- visual : T115, guidescope suited with a 20mm eyepiece (G=45x)
- imaging : homemade Newt T200, Barlow 3x, Audine K400 (sampling 0"43/px)
Reductions: done with a future release of Reduc.
Eyepieces: 20mm
 Magnification: 45x

 A very wide pair. Secondary appears deep brown in the 115. A is far too bright and causes smearing on the CCD. Measured 033°20  / 39"06
 

   
Ambience: The Moon sits at the meridian. She is the queen of the night. The long ribbons of clouds enlightened by the queen seems like wandering ghosts. I wonder ... yes, she is smiling of their efforts to hide her.  By chance this show is at low declinations and higher in the sky Boo is clearly visible and the seeing seems fair good tonight.

tev
Alessandro Bertoglio
Star: Struve 26
Date & Time: 24 May 2005 20.16 UTC
Seeing: III - IV Antoniadi
Transparency:
Location of site: Turin, Italy, 4504N 0742E
Site classification: Urban area with strong light pollution
Conditions: clear, no wind, mild temperature
Moon: none
Sky darkness: 3 (limiting magnitude)
Telescope: Takahashi Mewlon 300, Dall-Kirkham 300/3572 reflector
Eyepieces: Televue Plossl 8 mm.
Magnification: 447X
Diagonal: Yes, Televue 2" Everbrite

 I used this high power in order to darken the sky as the third component is very dim.
 
A considerably wide triple. The primary and the secondary stars form a very easy and wide bright pair, the third star,  instead, is barely visible with direct vision. The primary, very bright, is pure white, a true diamond, the secondary is rather fainter but very well visible with its yellow-orange colour. Both show the rings. The third component is obscure without detectable ring. Extimated PA: A-B about 25 degree, A-C about 190 degree. A and B are a fine couple for small telescope; C needs larger aperture.
 

 
 
  
  
Louis Marchesi
Star: Struve 26
Date & Time: 28 May 2005 2:14 UTC
Seeing: Pickering 3
Transparency: Average
Location of site: New London Township, PA, US (+39d45m,-75d52m)
Site classification: Suburban/Rural
Conditions: Clear, calm, 11C (52F)
Sky darkness: Not determined
Moon: None
Telescope: TMB152 f/7.9 Apochromatic Refractor
Mount: Losmandy G-11
Eyepieces: Baader Mark V Binocular Viewer with 1.25x Glaspath
Compensator
Tele Vue Panoptics 24mm
 Magnification:63x

 This star, also known as Iota Bootis, appeared as a very wide pair at 63x. The primary was blue-white; the companion a deep orange-red. After a bit more effort, I could glimpse the C star, which was white and on the opposite side of A from B. The seeing was very poor and the C star was not constantly seen.


Morgan Spangle
Star: Struve 26
Date & Time: May 29-30, 2005
Seeing: 4/5
Transparency: 2/5
Location of site: Larchmont, NY
40 55N 73 44W
Site classification:
Conditions: steady, calm, high haze, passing clouds
Sky darkness:
Telescope: Borg 101ED fl: 640mm
CCD Camera: ST237A, 2.39 pixels/arcsec
FOV 25 x 19'
Eyepieces:
Magnification:

 AB  39.1" - 32.7 deg


 


William Schart
Star: Struve 26
Date & Time: June 11, 2005
Seeing: Steady
Transparency:
Location of site: Texas,USA
Site classification: Suburban
Sky darkness:
Moon: crescent moon
Telescope: Celestron C8
Eyepieces:
Magnification:
Quite wide, with some magnitude contrast.The primary is yellow and the secondary seems orange to me at about PA 30°. I think I can make out the C star, but it is just at the limits of my equipment for the conditions tonight.


Jean Louis Badin / Lionel Alphonse
Star: Struve 26
Date & Time: 11 june 2005 22:54 UTC
Seeing: III  Danjon
Transparency:
Location of site: Noisy le Grand - France 48°51 N 2°33 E
Site classification: Urban area with strong light pollution
Conditions: sky veiled with clouds of high altitude..
Moon: slept :)
Sky darkness: 4 (limiting magnitude)
Telescope: LX 200 GPS 254 mm / 2500.
Mount: count equatoriale Meade.
Eyepieces: Meade Super Plossl 12,4 mm
Magnification: 205 X
Diagonal: Yes, Televue 2" Everbrite  with reducer of diameter.
 
The difference in magnitude jumps to the eyes without problems! On the level of separation, any concern with the eyepiece of 17 mm Nagler 2 inches. The principal one is blanchatre with light réflets bleuatres, it secondary is less obvious thus with reserves a bluish colour. A beautiful star doubles to re-examine too.
 
     
(c) 1998-2005 The Spirit of 33