Struve 479

Bob Hogeveen
Star: Struve 479
Date & Time: November 09, 2001
Seeing: 3 <1-10 Seeing Scale (10 best)>
Transparancy: 5 <1-10 Seeing Scale (10 best)> 
Location of site: Annen, The Netherlands
53N, 6E
Site classification: Village backyard 
Sky darkness: ~ 4.5 <Limiting magnitude>
Telescope: Celestron C11
Magnification: 93x, 187x
Harshaw Scale: 2 <1-5; 1 best> 
A very beautiful triple. A and B are a very nice, bright and not-too-close pair. The stars looked white and yellow to me, but Skymap shows that they should be blue-white and white.

On many occasions I noticed that under mediocre or less than mediocre conditions stars tend to look more yellow. This night I had some trouble determining the color of most of the pairs I observed. Only careful examination with different magnifications gave me a more or less reliable indication of the colors. 


Thomas Jensen
Star: Struve 479
Date & Time:  20/11/2001
Seeing: 7 <1-10 Seeing Scale (10 best)>
Weather: Cold and no wind. Clear sky, with
slightly hazy periods. Lots of dew on equipment. 
Location of site: Bornholm, Denmark.
55º 11,88' N, 14º 57,37' E 
Site classification: Rural backyard
Sky darkness:  <Limiting magnitude>
Telescope: 80/1200mm Vixen achromat on
GP-E mount. 
Magnification: 46x
This second nice triple was easily resolved at 46X. I thought it was prettier than Struve 430. I noted no colors. My eyes are not very sensitive to colors.


Tomás Vázquez 
Star: Struve 479
Date & Time: 28/11/2001
Seeing: 4 <1-10 Seeing Scale (10 best)>
Transparancy:  <1-10 Seeing Scale (10 best)> 
Location of site: Sevilla, Spain
37 24 N. 5 58 W
Site classification: Urban
Sky darkness: 3 <Limiting magnitude>
Telescope: Celestron C8 w/ Focal Reducer (f/6,3)
Magnification: n/a, Camera CCD.

CCD Camera: SX-L8.
Time of Integration: 30 seconds.
Software Lecture CCD: LUCAS 1.2C
Software Treatment: LAIA 3.2A
Position Image: North up, East left.
Telescope Computer Interface: MICRO-GUIDER III + E.C.U.

Description: The measures that I have taken out the double stars, of the Angle of Position and Separation, are the following:

AP: 240,8º D: 57,59"


Patrick Thompson 
Star: Struve 479
Date & Time: 11th December 2001, 19:35 UT
Seeing: 6 <1-10 Seeing Scale (10 best)>
Transparancy: 4 <1-10 Seeing Scale (10 best)> 
Location of site: West Wickham, Kent, UK
51°23' N, 0°0'E
Site classification: Suburban garden
Sky darkness: 4.2 <Limiting magnitude>
Moon: None.
Telescope: 8" Meade LX-90 SCT f/10
Eyepieces: 40mm Meade Super Plossl,
26mm Meade Super Plossl, 13.8mm Meade SWA, 8.8mm Meade UWA
Magnification: 50x, 80x, 145x, 230x
Harshaw Scale: 3 <1-5; 1 best>
All components split @ 50x. Colours difficult to discern. Nicely framed by an arc of seven stars to the N.

Colours clearer at 80x - Yellow, bluish white and blue. Background pattern still in fov. This is the best view. Colours confirmed at 145x.


Tim Leese 
Star: Struve 479
Date & Time: 14 December 2001. 20:45UT
Seeing: 6/5 <1-10 Seeing Scale (10 best)>
Transparancy:  <1-10 Seeing Scale (10 best)> 
Location of site: Northwich, Cheshire. UK
53° 15' N -2º 33' W
Site classification: Suburban
Sky darkness: 4.3 falling to 3.0 ( UMi ) <Limiting magnitude>
Conditions: cold and clear, conditions deteriorating with mist.
Telescope: 200mm f/6 Newtonian reflector.
Mount:  Vixen GP
Eyepieces: 20mm plossl , 9mm UO orthoscopic.
Magnification: X60, X133.
Harshaw Scale: 1 <1-5; 1 best>
This triple system was also on the list of HS 1 doubles for December 2000.
Again I agree with this rating as I observed a very nice triple star using
X60 magnification. Increasing the magnification up to X133 I observed a
cream primary with pale orange and blue/purple for the companions. The
fainter C component appeared sometimes blue but then purple, perhaps a
sign of the deteriorating sky conditions!
A very nice system to observe all the same.


William Schart 
Star: Struve 479
Date & Time: 9:00 -> 9:40 pm CST. 
Seeing: 6 <1-10 Seeing Scale (10 best)>
Location of site: Killeen, Texas
Site classification: Suburban 
Sky darkness: 4 <Limiting magnitude>
Moon: No moon in the sky
Telescope: 8" Celestar SCT
Eyepieces: 25mm, 17mm, CMG (12.5mm)
Magnification: 80x, 120x, 165x
A triple system with 2 brighter, blue stars fairly close together,  with a much dimmer 3rd member much farther away. 

As I look at this the primary sometimes seems to vacilate between yellow and blue, an illustion which I attribute to the seeing. If one considers the brighter 2 as one vertex and the 3rd member as another, there is a 4th star, about 3 times the separation of the wider members, forming a triangular asterism.


Eddy O'Connor 
Star: Struve 479
Date & Time: 19/12/2001, 10 p.m local; UT +11
Seeing: 6 <1-10 Seeing Scale (10 best)>
Transparancy: 7 <1-10 Seeing Scale (10 best)> 
Location of site: Terara, New South Wales, Australia.
150º.38E, 34º.52S
Site classification: Suburban
Moon: 4 days old.
Temperature: 17ºC. 
Sky darkness: --- <Limiting magnitude>
Telescope: 8" Newt. F9
Eyepieces: 25mm K, 12.5 mm Ortho. 
Magnification: 73x 146x
Harshaw Scale: 2 <1-5; 1 best> 
This is a delightful grouping of stars at low power and located East of the Pleiades.

Comments: This is a beautiful triangle of stars in a rich field. A White  primary star has a well-separated Bluish companion with the Mag. 9 third star nearby while an estimated dimmer star is also discovered hiding in an interesting field.


Steve Bodin
Star: Struve 479
Date & Time: 21 Dec 2001 10-11:30pm PST
Seeing: 4-5 <1-10 Seeing Scale (10 best)> 
Location of site: Silverdale, Wash. US
47N/ 123W
Site classification: Suburban
Conditions: Bright Waxing Moon, Hi Cirrus
Sky darkness: 5 <Limiting magnitude>
Telescope: Celestron 8 inch SCT
Eyepieces: Video Camera, 24mm Plossel, 19mm TeleVue widefield, 3x telextender
Magnification: 250x, 315x (visual)
Measurements: AB 7.41"/ 129 deg PA - AC 58.2"/ 244 deg PA
Remarks: AC measurement difficult due faintness of C and it landed 
near a bad pixel on my video camera! what luck!

Stuart Clough
Star: Struve 479
Date & Time: 29.12.01 2040 - 2345 UT
Seeing: 6 <1-10 Seeing Scale (10 best)> 
Location of site: Near Halifax
West Yorkshire, England.
Site classification: Suburban
Temp: -4ºC
Conditions: Clear except between 2110 & 2240, when mainly overcast, 
Wind SW - NW 5/15kts
Sky darkness: 3.0 (U Mi) <Limiting magnitude>
Telescope: Orion Optics UK GX250
Eyepieces: 25 mm Ortho, 20 mm Plossl, 9mm Ortho, 7.5mm Plossl
Magnification: x10 (finder) x48, x60, x133, x160
A & B components are a nice contrasting pair, yellow and white tinged 
blue, split beautifully at x60. The dimmer and more distant 'C' 
component adds much to the scene in forming an almost iscoscles 
triangle with the brighter elements. No colour seen in 'C'.