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Doubles
to celebrate the Winter Olympics 2002
Salt Lake City, USA Struve 950 |
| William Schart | ||||
| Star:
Struve 950
Date & Time: 2/11/02, from 9:00 to 9:45 pm CST Seeing: 6 <1-10 Seeing Scale (10 best)> Location of site: Killeen, TX, USA. Site classification: Suburban Sky darkness: --- <Limiting magnitude> Temperature: ~ 65F Other: some wind, but no clouds Telescope: Celestar 8" SCT Magnification:
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At 9:37, STF 950 Aa-B swung
into view. A tight pair with a magnitude difference of almost 2, there
was no evidence of duplicity at low power, a minimal elongation at mid,
and a definate split at high power.
The Aa component presents
a blue color. At about 180d from the B component,
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| Tim Leese | ||||
| Star:
Struve 950
Date & Time: 12 February 2002. 20:10 UT. Seeing: 4-5 <1-10 Seeing Scale (10 best)> Location of site: Northwich, Cheshire. UK. (53° 15' N -2º 33' W). Site classification: Suburban Sky darkness: 3 <Limiting magnitude> Conditions: Clear patches, high haze, light to moderate breeze. Telescope: 200mm f/6 Newtonian reflector, 80mm f/5 rich field refractor. Mounts: Vixen GP, EQ5 Eyepieces: 65mm Lanthanum, X2 shorty Barlow. Magnification: X80, X160, X240 |
When the Olympic list was
published, I realised that I should have used LADIC before submitting this
contender with a DI of 94.52!!
Surprisingly, using X160 with my 80mm f/5 refractor, the companion could be detected and appeared to be a pale orange colour. Reducing the magnification down to X80 the image was steadier but I still got the impression of the companion in the same PA. Using the 5mm Lanthanum with
my 200mm f/6 reflector(X240) told a different tale. I just could not see
the companion at all in the bubbling and bobbing image. After much xxxx
language and pulling out of hair, I decided that I wouldn't be defeated
and sat tight on this double. Eventually, after quite a while of intense
study, the
STF 950 lies in an extremely interesting field, being located in NGC 2264, fittingly christened, "the Christmas tree cluster". Using my reflector at a lower magnification of X48( 25mm Kellner ), I could easily see how this cluster got it's name. Through the little 80mm refractor at X44( 9mm 0rthoscopic), I thought that the cluster looked more like a stone age flint axe head. Ever heard of astro billiards?
During the intense study of Aa-B a
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| Steve Bodin | ||||
| Star:
Struve 950
Date & Time: 14 Feb 2002, 10pm-12 local Seeing: 4-5 <1-10 Seeing Scale (10 best)> Location of site: Silverdale WA, USA 47ºN, 123ºW Site classification: Suburban Sky darkness: 5.7 <Limiting magnitude> Telescope: Celestron 8 SC Eyepieces: 8mm PL, 24mm Koenig, 3x barlow, PC23 videocamera Magnification: 215x, 250x
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Also known as 15 Monocerotis.
The star is difficult to split at 250x but judged easier than theta Auriga.
Both stars appear as white to blue-white in color. The video camera plus
3x teleconverter obtained the following measurements: 2.93 sec, PA 210
deg.
Ambience: The sky darkened with those disruptive high cirrus clouds spoiling the sunset. Actually most people would have thought that the sunset was beautiful! Except for an astro-nut. The Olympic committee, made up of the 3 local TV weatherguessers (they call themselves meteorologists) predicting clear skies and freezing temperatures. However, around here, any time the sky contains less than 50 % clouds, it is called 'clear' and certainly high cirrus does not count as a cloud to a population of sundodgers. At 8pm local time the trusty C8 was turned towards the heavens and was greeted by 3/10 seeing in a 5th mag limit gauze sky, could not attempt those remaining 90 plus DI's. So, retired to watch the other Olympic games for a while. By 10pm the high cirrus had passed to the east and the darkness judged to be 5.7 limit mag but seeing only a marginal 4 or 5. Since we are over due for another month of continuous rain, an attempt of Olympic proportion would be made against the remaining contestants.
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| Stuart Clough | ||||
| Star:
Struve 950
Date & Time: 17/02/2220 - 22:20-23:15 UT Seeing: 4 <1-10 Seeing Scale (10 best)> Location of site: Near Halifax West Yorkshire, England. Site classification: Suburban Sky darkness: 4.0 (U Mi) <Limiting magnitude> Temperature: 2ºC - not ideal on the slopes Other: 2/8 - 5/8 cloud, clearing after showers. Wind - W'ly 5 - 10kts. Telescope: Orion Optics UK GX250 10" f4.8 Newtonian Mount: Vixen GP Eyepieces: 25mmOrtho, 20 mm Plossl, 12.5mm Plossl 9mm Ortho 7mm Plossl. Ultima x2 Barlow Magnification: x48, x60, x96, x133, x120,x160 x192 x267 x320 |
Just a 5 degree starhop
from Struve 900 and I was transported into
the wonderland of NGC 2264. I had never seen the 'Christmas Tree' cluster before. I will certainly return. The field is superb and the
immediate surroundings of this double
Thanks go to Tim for nominating
this one. I really enjoyed both the
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